81180450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13877}}^1$

素因数の和:13908

約数の個数: 72

約数和(自身を含む): 234899028

約数和(自身を除く): 153718578

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 13877, 27754, 41631, 69385, 83262, 124893, 138770, 180401, 208155, 249786, 346925, 360802, 416310, 541203, 624465, 693850, 902005, 1040775, 1082406, 1248930, 1623609, 1804010, 2081550, 2706015, 3122325, 3247218, 4510025, 5412030, 6244650, 8118045, 9020050, 13530075, 16236090, 27060150, 40590225, 81180450]

約数ペア:

[(1, 81180450), (2, 40590225), (3, 27060150), (5, 16236090), (6, 13530075), (9, 9020050), (10, 8118045), (13, 6244650), (15, 5412030), (18, 4510025), (25, 3247218), (26, 3122325), (30, 2706015), (39, 2081550), (45, 1804010), (50, 1623609), (65, 1248930), (75, 1082406), (78, 1040775), (90, 902005), (117, 693850), (130, 624465), (150, 541203), (195, 416310), (225, 360802), (234, 346925), (325, 249786), (390, 208155), (450, 180401), (585, 138770), (650, 124893), (975, 83262), (1170, 69385), (1950, 41631), (2925, 27754), (5850, 13877)]