81774900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1031

約数の個数: 144

約数和(自身を含む): 271649280

約数和(自身を除く): 189874380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 90, 93, 100, 108, 124, 135, 150, 155, 180, 186, 225, 270, 279, 300, 310, 372, 450, 465, 540, 558, 620, 675, 775, 837, 900, 930, 977, 1116, 1350, 1395, 1550, 1674, 1860, 1954, 2325, 2700, 2790, 2931, 3100, 3348, 3908, 4185, 4650, 4885, 5580, 5862, 6975, 8370, 8793, 9300, 9770, 11724, 13950, 14655, 16740, 17586, 19540, 20925, 24425, 26379, 27900, 29310, 30287, 35172, 41850, 43965, 48850, 52758, 58620, 60574, 73275, 83700, 87930, 90861, 97700, 105516, 121148, 131895, 146550, 151435, 175860, 181722, 219825, 263790, 272583, 293100, 302870, 363444, 439650, 454305, 527580, 545166, 605740, 659475, 757175, 817749, 879300, 908610, 1090332, 1318950, 1362915, 1514350, 1635498, 1817220, 2271525, 2637900, 2725830, 3028700, 3270996, 4088745, 4543050, 5451660, 6814575, 8177490, 9086100, 13629150, 16354980, 20443725, 27258300, 40887450, 81774900]

約数ペア:

[(1, 81774900), (2, 40887450), (3, 27258300), (4, 20443725), (5, 16354980), (6, 13629150), (9, 9086100), (10, 8177490), (12, 6814575), (15, 5451660), (18, 4543050), (20, 4088745), (25, 3270996), (27, 3028700), (30, 2725830), (31, 2637900), (36, 2271525), (45, 1817220), (50, 1635498), (54, 1514350), (60, 1362915), (62, 1318950), (75, 1090332), (90, 908610), (93, 879300), (100, 817749), (108, 757175), (124, 659475), (135, 605740), (150, 545166), (155, 527580), (180, 454305), (186, 439650), (225, 363444), (270, 302870), (279, 293100), (300, 272583), (310, 263790), (372, 219825), (450, 181722), (465, 175860), (540, 151435), (558, 146550), (620, 131895), (675, 121148), (775, 105516), (837, 97700), (900, 90861), (930, 87930), (977, 83700), (1116, 73275), (1350, 60574), (1395, 58620), (1550, 52758), (1674, 48850), (1860, 43965), (1954, 41850), (2325, 35172), (2700, 30287), (2790, 29310), (2931, 27900), (3100, 26379), (3348, 24425), (3908, 20925), (4185, 19540), (4650, 17586), (4885, 16740), (5580, 14655), (5862, 13950), (6975, 11724), (8370, 9770), (8793, 9300)]