1931371920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86531}}^1$

素因数の和:86581

約数の個数: 120

約数和(自身を含む): 6695500032

約数和(自身を除く): 4764128112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 86531, 173062, 259593, 346124, 432655, 519186, 692248, 778779, 865310, 1038372, 1297965, 1384496, 1557558, 1730620, 2076744, 2595930, 2682461, 3115116, 3461240, 3893895, 4153488, 5191860, 5364922, 6230232, 6922480, 7787790, 8047383, 10383720, 10729844, 12460464, 13412305, 15575580, 16094766, 20767440, 21459688, 24142149, 26824610, 31151160, 32189532, 40236915, 42919376, 48284298, 53649220, 62302320, 64379064, 80473830, 96568596, 107298440, 120710745, 128758128, 160947660, 193137192, 214596880, 241421490, 321895320, 386274384, 482842980, 643790640, 965685960, 1931371920]

約数ペア:

[(1, 1931371920), (2, 965685960), (3, 643790640), (4, 482842980), (5, 386274384), (6, 321895320), (8, 241421490), (9, 214596880), (10, 193137192), (12, 160947660), (15, 128758128), (16, 120710745), (18, 107298440), (20, 96568596), (24, 80473830), (30, 64379064), (31, 62302320), (36, 53649220), (40, 48284298), (45, 42919376), (48, 40236915), (60, 32189532), (62, 31151160), (72, 26824610), (80, 24142149), (90, 21459688), (93, 20767440), (120, 16094766), (124, 15575580), (144, 13412305), (155, 12460464), (180, 10729844), (186, 10383720), (240, 8047383), (248, 7787790), (279, 6922480), (310, 6230232), (360, 5364922), (372, 5191860), (465, 4153488), (496, 3893895), (558, 3461240), (620, 3115116), (720, 2682461), (744, 2595930), (930, 2076744), (1116, 1730620), (1240, 1557558), (1395, 1384496), (1488, 1297965), (1860, 1038372), (2232, 865310), (2480, 778779), (2790, 692248), (3720, 519186), (4464, 432655), (5580, 346124), (7440, 259593), (11160, 173062), (22320, 86531)]