1900495920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{255443}}^1$

素因数の和:255490

約数の個数: 80

約数和(自身を含む): 6081610752

約数和(自身を除く): 4181114832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 255443, 510886, 766329, 1021772, 1277215, 1532658, 2043544, 2554430, 3065316, 3831645, 4087088, 5108860, 6130632, 7663290, 7918733, 10217720, 12261264, 15326580, 15837466, 20435440, 23756199, 30653160, 31674932, 39593665, 47512398, 61306320, 63349864, 79187330, 95024796, 118780995, 126699728, 158374660, 190049592, 237561990, 316749320, 380099184, 475123980, 633498640, 950247960, 1900495920]

約数ペア:

[(1, 1900495920), (2, 950247960), (3, 633498640), (4, 475123980), (5, 380099184), (6, 316749320), (8, 237561990), (10, 190049592), (12, 158374660), (15, 126699728), (16, 118780995), (20, 95024796), (24, 79187330), (30, 63349864), (31, 61306320), (40, 47512398), (48, 39593665), (60, 31674932), (62, 30653160), (80, 23756199), (93, 20435440), (120, 15837466), (124, 15326580), (155, 12261264), (186, 10217720), (240, 7918733), (248, 7663290), (310, 6130632), (372, 5108860), (465, 4087088), (496, 3831645), (620, 3065316), (744, 2554430), (930, 2043544), (1240, 1532658), (1488, 1277215), (1860, 1021772), (2480, 766329), (3720, 510886), (7440, 255443)]