8509318480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:881

約数の個数: 160

約数和(自身を含む): 21725172000

約数和(自身を除く): 13215853520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 149, 178, 208, 260, 298, 356, 445, 520, 596, 617, 712, 745, 890, 1040, 1157, 1192, 1234, 1424, 1490, 1780, 1937, 2314, 2384, 2468, 2980, 3085, 3560, 3874, 4628, 4936, 5785, 5960, 6170, 7120, 7748, 8021, 9256, 9685, 9872, 11570, 11920, 12340, 13261, 15496, 16042, 18512, 19370, 23140, 24680, 26522, 30992, 32084, 38740, 40105, 46280, 49360, 53044, 54913, 64168, 66305, 77480, 80210, 91933, 92560, 106088, 109826, 128336, 132610, 154960, 160420, 172393, 183866, 212176, 219652, 265220, 274565, 320840, 344786, 367732, 439304, 459665, 530440, 549130, 641680, 689572, 713869, 735464, 861965, 878608, 919330, 1060880, 1098260, 1195129, 1379144, 1427738, 1470928, 1723930, 1838660, 2196520, 2390258, 2758288, 2855476, 3447860, 3569345, 3677320, 4393040, 4780516, 5710952, 5975645, 6895720, 7138690, 7354640, 8182037, 9561032, 11421904, 11951290, 13791440, 14277380, 16364074, 19122064, 23902580, 28554760, 32728148, 40910185, 47805160, 57109520, 65456296, 81820370, 95610320, 106366481, 130912592, 163640740, 212732962, 327281480, 425465924, 531832405, 654562960, 850931848, 1063664810, 1701863696, 2127329620, 4254659240, 8509318480]

約数ペア:

[(1, 8509318480), (2, 4254659240), (4, 2127329620), (5, 1701863696), (8, 1063664810), (10, 850931848), (13, 654562960), (16, 531832405), (20, 425465924), (26, 327281480), (40, 212732962), (52, 163640740), (65, 130912592), (80, 106366481), (89, 95610320), (104, 81820370), (130, 65456296), (149, 57109520), (178, 47805160), (208, 40910185), (260, 32728148), (298, 28554760), (356, 23902580), (445, 19122064), (520, 16364074), (596, 14277380), (617, 13791440), (712, 11951290), (745, 11421904), (890, 9561032), (1040, 8182037), (1157, 7354640), (1192, 7138690), (1234, 6895720), (1424, 5975645), (1490, 5710952), (1780, 4780516), (1937, 4393040), (2314, 3677320), (2384, 3569345), (2468, 3447860), (2980, 2855476), (3085, 2758288), (3560, 2390258), (3874, 2196520), (4628, 1838660), (4936, 1723930), (5785, 1470928), (5960, 1427738), (6170, 1379144), (7120, 1195129), (7748, 1098260), (8021, 1060880), (9256, 919330), (9685, 878608), (9872, 861965), (11570, 735464), (11920, 713869), (12340, 689572), (13261, 641680), (15496, 549130), (16042, 530440), (18512, 459665), (19370, 439304), (23140, 367732), (24680, 344786), (26522, 320840), (30992, 274565), (32084, 265220), (38740, 219652), (40105, 212176), (46280, 183866), (49360, 172393), (53044, 160420), (54913, 154960), (64168, 132610), (66305, 128336), (77480, 109826), (80210, 106088), (91933, 92560)]