69804180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 224550144

約数和(自身を除く): 154745964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 243, 265, 270, 271, 318, 324, 405, 477, 486, 530, 540, 542, 636, 795, 810, 813, 954, 972, 1060, 1084, 1215, 1355, 1431, 1590, 1620, 1626, 1908, 2385, 2430, 2439, 2710, 2862, 3180, 3252, 4065, 4293, 4770, 4860, 4878, 5420, 5724, 7155, 7317, 8130, 8586, 9540, 9756, 12195, 12879, 14310, 14363, 14634, 16260, 17172, 21465, 21951, 24390, 25758, 28620, 28726, 29268, 36585, 42930, 43089, 43902, 48780, 51516, 57452, 64395, 65853, 71815, 73170, 85860, 86178, 87804, 109755, 128790, 129267, 131706, 143630, 146340, 172356, 215445, 219510, 257580, 258534, 263412, 287260, 329265, 387801, 430890, 439020, 517068, 646335, 658530, 775602, 861780, 1163403, 1292670, 1317060, 1551204, 1939005, 2326806, 2585340, 3490209, 3878010, 4653612, 5817015, 6980418, 7756020, 11634030, 13960836, 17451045, 23268060, 34902090, 69804180]

約数ペア:

[(1, 69804180), (2, 34902090), (3, 23268060), (4, 17451045), (5, 13960836), (6, 11634030), (9, 7756020), (10, 6980418), (12, 5817015), (15, 4653612), (18, 3878010), (20, 3490209), (27, 2585340), (30, 2326806), (36, 1939005), (45, 1551204), (53, 1317060), (54, 1292670), (60, 1163403), (81, 861780), (90, 775602), (106, 658530), (108, 646335), (135, 517068), (159, 439020), (162, 430890), (180, 387801), (212, 329265), (243, 287260), (265, 263412), (270, 258534), (271, 257580), (318, 219510), (324, 215445), (405, 172356), (477, 146340), (486, 143630), (530, 131706), (540, 129267), (542, 128790), (636, 109755), (795, 87804), (810, 86178), (813, 85860), (954, 73170), (972, 71815), (1060, 65853), (1084, 64395), (1215, 57452), (1355, 51516), (1431, 48780), (1590, 43902), (1620, 43089), (1626, 42930), (1908, 36585), (2385, 29268), (2430, 28726), (2439, 28620), (2710, 25758), (2862, 24390), (3180, 21951), (3252, 21465), (4065, 17172), (4293, 16260), (4770, 14634), (4860, 14363), (4878, 14310), (5420, 12879), (5724, 12195), (7155, 9756), (7317, 9540), (8130, 8586)]