81248700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 257233536

約数和(自身を除く): 175984836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 83, 100, 130, 150, 156, 166, 195, 249, 251, 260, 300, 325, 332, 390, 415, 498, 502, 650, 753, 780, 830, 975, 996, 1004, 1079, 1245, 1255, 1300, 1506, 1660, 1950, 2075, 2158, 2490, 2510, 3012, 3237, 3263, 3765, 3900, 4150, 4316, 4980, 5020, 5395, 6225, 6275, 6474, 6526, 7530, 8300, 9789, 10790, 12450, 12550, 12948, 13052, 15060, 16185, 16315, 18825, 19578, 20833, 21580, 24900, 25100, 26975, 32370, 32630, 37650, 39156, 41666, 48945, 53950, 62499, 64740, 65260, 75300, 80925, 81575, 83332, 97890, 104165, 107900, 124998, 161850, 163150, 195780, 208330, 244725, 249996, 270829, 312495, 323700, 326300, 416660, 489450, 520825, 541658, 624990, 812487, 978900, 1041650, 1083316, 1249980, 1354145, 1562475, 1624974, 2083300, 2708290, 3124950, 3249948, 4062435, 5416580, 6249900, 6770725, 8124870, 13541450, 16249740, 20312175, 27082900, 40624350, 81248700]

約数ペア:

[(1, 81248700), (2, 40624350), (3, 27082900), (4, 20312175), (5, 16249740), (6, 13541450), (10, 8124870), (12, 6770725), (13, 6249900), (15, 5416580), (20, 4062435), (25, 3249948), (26, 3124950), (30, 2708290), (39, 2083300), (50, 1624974), (52, 1562475), (60, 1354145), (65, 1249980), (75, 1083316), (78, 1041650), (83, 978900), (100, 812487), (130, 624990), (150, 541658), (156, 520825), (166, 489450), (195, 416660), (249, 326300), (251, 323700), (260, 312495), (300, 270829), (325, 249996), (332, 244725), (390, 208330), (415, 195780), (498, 163150), (502, 161850), (650, 124998), (753, 107900), (780, 104165), (830, 97890), (975, 83332), (996, 81575), (1004, 80925), (1079, 75300), (1245, 65260), (1255, 64740), (1300, 62499), (1506, 53950), (1660, 48945), (1950, 41666), (2075, 39156), (2158, 37650), (2490, 32630), (2510, 32370), (3012, 26975), (3237, 25100), (3263, 24900), (3765, 21580), (3900, 20833), (4150, 19578), (4316, 18825), (4980, 16315), (5020, 16185), (5395, 15060), (6225, 13052), (6275, 12948), (6474, 12550), (6526, 12450), (7530, 10790), (8300, 9789)]