320808150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 288

約数和(自身を含む): 1007435520

約数和(自身を除く): 686627370

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 29, 30, 31, 39, 45, 50, 58, 61, 62, 65, 75, 78, 87, 90, 93, 117, 122, 130, 145, 150, 155, 174, 183, 186, 195, 225, 234, 261, 279, 290, 305, 310, 325, 366, 377, 390, 403, 435, 450, 465, 522, 549, 558, 585, 610, 650, 725, 754, 775, 793, 806, 870, 899, 915, 930, 975, 1098, 1131, 1170, 1209, 1305, 1395, 1450, 1525, 1550, 1586, 1769, 1798, 1830, 1885, 1891, 1950, 2015, 2175, 2262, 2325, 2379, 2418, 2610, 2697, 2745, 2790, 2925, 3050, 3393, 3538, 3627, 3770, 3782, 3965, 4030, 4350, 4495, 4575, 4650, 4758, 5307, 5394, 5490, 5655, 5673, 5850, 6045, 6525, 6786, 6975, 7137, 7254, 7930, 8091, 8845, 8990, 9150, 9425, 9455, 10075, 10614, 11310, 11346, 11687, 11895, 12090, 13050, 13485, 13725, 13950, 14274, 15921, 16182, 16965, 17019, 17690, 18135, 18850, 18910, 19825, 20150, 22475, 22997, 23374, 23790, 24583, 26535, 26970, 27450, 28275, 28365, 30225, 31842, 33930, 34038, 35061, 35685, 36270, 39650, 40455, 44225, 44950, 45994, 47275, 49166, 53070, 54839, 56550, 56730, 58435, 59475, 60450, 67425, 68991, 70122, 71370, 73749, 79605, 80910, 84825, 85095, 88450, 90675, 94550, 105183, 109678, 114985, 116870, 118950, 122915, 132675, 134850, 137982, 141825, 147498, 159210, 164517, 169650, 170190, 175305, 178425, 181350, 202275, 206973, 210366, 221247, 229970, 245830, 265350, 274195, 283650, 292175, 329034, 344955, 350610, 356850, 368745, 398025, 404550, 413946, 425475, 442494, 493551, 525915, 548390, 574925, 584350, 614575, 689910, 712907, 737490, 796050, 822585, 850950, 876525, 987102, 1034865, 1051830, 1106235, 1149850, 1229150, 1370975, 1425814, 1645170, 1724775, 1753050, 1843725, 2069730, 2138721, 2212470, 2467755, 2629575, 2741950, 3449550, 3564535, 3687450, 4112925, 4277442, 4935510, 5174325, 5259150, 5531175, 6416163, 7129070, 8225850, 10348650, 10693605, 11062350, 12338775, 12832326, 17822675, 21387210, 24677550, 32080815, 35645350, 53468025, 64161630, 106936050, 160404075, 320808150]

約数ペア:

[(1, 320808150), (2, 160404075), (3, 106936050), (5, 64161630), (6, 53468025), (9, 35645350), (10, 32080815), (13, 24677550), (15, 21387210), (18, 17822675), (25, 12832326), (26, 12338775), (29, 11062350), (30, 10693605), (31, 10348650), (39, 8225850), (45, 7129070), (50, 6416163), (58, 5531175), (61, 5259150), (62, 5174325), (65, 4935510), (75, 4277442), (78, 4112925), (87, 3687450), (90, 3564535), (93, 3449550), (117, 2741950), (122, 2629575), (130, 2467755), (145, 2212470), (150, 2138721), (155, 2069730), (174, 1843725), (183, 1753050), (186, 1724775), (195, 1645170), (225, 1425814), (234, 1370975), (261, 1229150), (279, 1149850), (290, 1106235), (305, 1051830), (310, 1034865), (325, 987102), (366, 876525), (377, 850950), (390, 822585), (403, 796050), (435, 737490), (450, 712907), (465, 689910), (522, 614575), (549, 584350), (558, 574925), (585, 548390), (610, 525915), (650, 493551), (725, 442494), (754, 425475), (775, 413946), (793, 404550), (806, 398025), (870, 368745), (899, 356850), (915, 350610), (930, 344955), (975, 329034), (1098, 292175), (1131, 283650), (1170, 274195), (1209, 265350), (1305, 245830), (1395, 229970), (1450, 221247), (1525, 210366), (1550, 206973), (1586, 202275), (1769, 181350), (1798, 178425), (1830, 175305), (1885, 170190), (1891, 169650), (1950, 164517), (2015, 159210), (2175, 147498), (2262, 141825), (2325, 137982), (2379, 134850), (2418, 132675), (2610, 122915), (2697, 118950), (2745, 116870), (2790, 114985), (2925, 109678), (3050, 105183), (3393, 94550), (3538, 90675), (3627, 88450), (3770, 85095), (3782, 84825), (3965, 80910), (4030, 79605), (4350, 73749), (4495, 71370), (4575, 70122), (4650, 68991), (4758, 67425), (5307, 60450), (5394, 59475), (5490, 58435), (5655, 56730), (5673, 56550), (5850, 54839), (6045, 53070), (6525, 49166), (6786, 47275), (6975, 45994), (7137, 44950), (7254, 44225), (7930, 40455), (8091, 39650), (8845, 36270), (8990, 35685), (9150, 35061), (9425, 34038), (9455, 33930), (10075, 31842), (10614, 30225), (11310, 28365), (11346, 28275), (11687, 27450), (11895, 26970), (12090, 26535), (13050, 24583), (13485, 23790), (13725, 23374), (13950, 22997), (14274, 22475), (15921, 20150), (16182, 19825), (16965, 18910), (17019, 18850), (17690, 18135)]