640804927000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1\times {\mathrm{3989}}^1$

素因数の和:4503

約数の個数: 256

約数和(自身を含む): 1750500460800

約数和(自身を除く): 1109695533800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 106, 125, 140, 175, 200, 212, 250, 265, 280, 350, 371, 424, 433, 500, 530, 700, 742, 866, 875, 1000, 1060, 1325, 1400, 1484, 1732, 1750, 1855, 2120, 2165, 2650, 2968, 3031, 3464, 3500, 3710, 3989, 4330, 5300, 6062, 6625, 7000, 7420, 7978, 8660, 9275, 10600, 10825, 12124, 13250, 14840, 15155, 15956, 17320, 18550, 19945, 21650, 22949, 24248, 26500, 27923, 30310, 31912, 37100, 39890, 43300, 45898, 46375, 53000, 54125, 55846, 60620, 74200, 75775, 79780, 86600, 91796, 92750, 99725, 108250, 111692, 114745, 121240, 139615, 151550, 159560, 160643, 183592, 185500, 199450, 211417, 216500, 223384, 229490, 279230, 303100, 321286, 371000, 378875, 398900, 422834, 433000, 458980, 498625, 558460, 573725, 606200, 642572, 698075, 757750, 797800, 803215, 845668, 917960, 997250, 1057085, 1116920, 1147450, 1285144, 1396150, 1479919, 1515500, 1606430, 1691336, 1727237, 1994500, 2114170, 2294900, 2792300, 2868625, 2959838, 3031000, 3212860, 3454474, 3490375, 3989000, 4016075, 4228340, 4589800, 5285425, 5584600, 5737250, 5919676, 6425720, 6908948, 6980750, 7399595, 8032150, 8456680, 8636185, 10570850, 11474500, 11839352, 12090659, 13817896, 13961500, 14799190, 16064300, 17272370, 20080375, 21141700, 22949000, 24181318, 26427125, 27923000, 29598380, 32128600, 34544740, 36997975, 40160750, 42283400, 43180925, 48362636, 52854250, 59196760, 60453295, 69089480, 73995950, 80321500, 86361850, 91543561, 96725272, 105708500, 120906590, 147991900, 160643000, 172723700, 183087122, 184989875, 211417000, 215904625, 241813180, 295983800, 302266475, 345447400, 366174244, 369979750, 431809250, 457717805, 483626360, 604532950, 640804927, 732348488, 739959500, 863618500, 915435610, 1209065900, 1281609854, 1479919000, 1511332375, 1727237000, 1830871220, 2288589025, 2418131800, 2563219708, 3022664750, 3204024635, 3661742440, 4577178050, 5126439416, 6045329500, 6408049270, 9154356100, 11442945125, 12090659000, 12816098540, 16020123175, 18308712200, 22885890250, 25632197080, 32040246350, 45771780500, 64080492700, 80100615875, 91543561000, 128160985400, 160201231750, 320402463500, 640804927000]

約数ペア:

[(1, 640804927000), (2, 320402463500), (4, 160201231750), (5, 128160985400), (7, 91543561000), (8, 80100615875), (10, 64080492700), (14, 45771780500), (20, 32040246350), (25, 25632197080), (28, 22885890250), (35, 18308712200), (40, 16020123175), (50, 12816098540), (53, 12090659000), (56, 11442945125), (70, 9154356100), (100, 6408049270), (106, 6045329500), (125, 5126439416), (140, 4577178050), (175, 3661742440), (200, 3204024635), (212, 3022664750), (250, 2563219708), (265, 2418131800), (280, 2288589025), (350, 1830871220), (371, 1727237000), (424, 1511332375), (433, 1479919000), (500, 1281609854), (530, 1209065900), (700, 915435610), (742, 863618500), (866, 739959500), (875, 732348488), (1000, 640804927), (1060, 604532950), (1325, 483626360), (1400, 457717805), (1484, 431809250), (1732, 369979750), (1750, 366174244), (1855, 345447400), (2120, 302266475), (2165, 295983800), (2650, 241813180), (2968, 215904625), (3031, 211417000), (3464, 184989875), (3500, 183087122), (3710, 172723700), (3989, 160643000), (4330, 147991900), (5300, 120906590), (6062, 105708500), (6625, 96725272), (7000, 91543561), (7420, 86361850), (7978, 80321500), (8660, 73995950), (9275, 69089480), (10600, 60453295), (10825, 59196760), (12124, 52854250), (13250, 48362636), (14840, 43180925), (15155, 42283400), (15956, 40160750), (17320, 36997975), (18550, 34544740), (19945, 32128600), (21650, 29598380), (22949, 27923000), (24248, 26427125), (26500, 24181318), (27923, 22949000), (30310, 21141700), (31912, 20080375), (37100, 17272370), (39890, 16064300), (43300, 14799190), (45898, 13961500), (46375, 13817896), (53000, 12090659), (54125, 11839352), (55846, 11474500), (60620, 10570850), (74200, 8636185), (75775, 8456680), (79780, 8032150), (86600, 7399595), (91796, 6980750), (92750, 6908948), (99725, 6425720), (108250, 5919676), (111692, 5737250), (114745, 5584600), (121240, 5285425), (139615, 4589800), (151550, 4228340), (159560, 4016075), (160643, 3989000), (183592, 3490375), (185500, 3454474), (199450, 3212860), (211417, 3031000), (216500, 2959838), (223384, 2868625), (229490, 2792300), (279230, 2294900), (303100, 2114170), (321286, 1994500), (371000, 1727237), (378875, 1691336), (398900, 1606430), (422834, 1515500), (433000, 1479919), (458980, 1396150), (498625, 1285144), (558460, 1147450), (573725, 1116920), (606200, 1057085), (642572, 997250), (698075, 917960), (757750, 845668), (797800, 803215)]