81738090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5641}}^1$

素因数の和:5684

約数の個数: 96

約数和(自身を含む): 253483776

約数和(自身を除く): 171745686

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1610, 2070, 2415, 2898, 4830, 5641, 7245, 11282, 14490, 16923, 28205, 33846, 39487, 50769, 56410, 78974, 84615, 101538, 118461, 129743, 169230, 197435, 236922, 253845, 259486, 355383, 389229, 394870, 507690, 592305, 648715, 710766, 778458, 908201, 1167687, 1184610, 1297430, 1776915, 1816402, 1946145, 2335374, 2724603, 3553830, 3892290, 4541005, 5449206, 5838435, 8173809, 9082010, 11676870, 13623015, 16347618, 27246030, 40869045, 81738090]

約数ペア:

[(1, 81738090), (2, 40869045), (3, 27246030), (5, 16347618), (6, 13623015), (7, 11676870), (9, 9082010), (10, 8173809), (14, 5838435), (15, 5449206), (18, 4541005), (21, 3892290), (23, 3553830), (30, 2724603), (35, 2335374), (42, 1946145), (45, 1816402), (46, 1776915), (63, 1297430), (69, 1184610), (70, 1167687), (90, 908201), (105, 778458), (115, 710766), (126, 648715), (138, 592305), (161, 507690), (207, 394870), (210, 389229), (230, 355383), (315, 259486), (322, 253845), (345, 236922), (414, 197435), (483, 169230), (630, 129743), (690, 118461), (805, 101538), (966, 84615), (1035, 78974), (1449, 56410), (1610, 50769), (2070, 39487), (2415, 33846), (2898, 28205), (4830, 16923), (5641, 14490), (7245, 11282)]