55092780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 178869600

約数和(自身を除く): 123776820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 89, 90, 95, 114, 171, 178, 180, 181, 190, 228, 267, 285, 342, 356, 362, 380, 445, 534, 543, 570, 684, 724, 801, 855, 890, 905, 1068, 1086, 1140, 1335, 1602, 1629, 1691, 1710, 1780, 1810, 2172, 2670, 2715, 3204, 3258, 3382, 3420, 3439, 3620, 4005, 5073, 5340, 5430, 6516, 6764, 6878, 8010, 8145, 8455, 10146, 10317, 10860, 13756, 15219, 16020, 16109, 16290, 16910, 17195, 20292, 20634, 25365, 30438, 30951, 32218, 32580, 33820, 34390, 41268, 48327, 50730, 51585, 60876, 61902, 64436, 68780, 76095, 80545, 96654, 101460, 103170, 123804, 144981, 152190, 154755, 161090, 193308, 206340, 241635, 289962, 304380, 306071, 309510, 322180, 483270, 579924, 612142, 619020, 724905, 918213, 966540, 1224284, 1449810, 1530355, 1836426, 2754639, 2899620, 3060710, 3672852, 4591065, 5509278, 6121420, 9182130, 11018556, 13773195, 18364260, 27546390, 55092780]

約数ペア:

[(1, 55092780), (2, 27546390), (3, 18364260), (4, 13773195), (5, 11018556), (6, 9182130), (9, 6121420), (10, 5509278), (12, 4591065), (15, 3672852), (18, 3060710), (19, 2899620), (20, 2754639), (30, 1836426), (36, 1530355), (38, 1449810), (45, 1224284), (57, 966540), (60, 918213), (76, 724905), (89, 619020), (90, 612142), (95, 579924), (114, 483270), (171, 322180), (178, 309510), (180, 306071), (181, 304380), (190, 289962), (228, 241635), (267, 206340), (285, 193308), (342, 161090), (356, 154755), (362, 152190), (380, 144981), (445, 123804), (534, 103170), (543, 101460), (570, 96654), (684, 80545), (724, 76095), (801, 68780), (855, 64436), (890, 61902), (905, 60876), (1068, 51585), (1086, 50730), (1140, 48327), (1335, 41268), (1602, 34390), (1629, 33820), (1691, 32580), (1710, 32218), (1780, 30951), (1810, 30438), (2172, 25365), (2670, 20634), (2715, 20292), (3204, 17195), (3258, 16910), (3382, 16290), (3420, 16109), (3439, 16020), (3620, 15219), (4005, 13756), (5073, 10860), (5340, 10317), (5430, 10146), (6516, 8455), (6764, 8145), (6878, 8010)]