81423450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{7867}}^1$

素因数の和:7908

約数の個数: 72

約数和(自身を含む): 228297888

約数和(自身を除く): 146874438

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 2070, 3450, 5175, 7867, 10350, 15734, 23601, 39335, 47202, 70803, 78670, 118005, 141606, 180941, 196675, 236010, 354015, 361882, 393350, 542823, 590025, 708030, 904705, 1085646, 1180050, 1628469, 1770075, 1809410, 2714115, 3256938, 3540150, 4523525, 5428230, 8142345, 9047050, 13570575, 16284690, 27141150, 40711725, 81423450]

約数ペア:

[(1, 81423450), (2, 40711725), (3, 27141150), (5, 16284690), (6, 13570575), (9, 9047050), (10, 8142345), (15, 5428230), (18, 4523525), (23, 3540150), (25, 3256938), (30, 2714115), (45, 1809410), (46, 1770075), (50, 1628469), (69, 1180050), (75, 1085646), (90, 904705), (115, 708030), (138, 590025), (150, 542823), (207, 393350), (225, 361882), (230, 354015), (345, 236010), (414, 196675), (450, 180941), (575, 141606), (690, 118005), (1035, 78670), (1150, 70803), (1725, 47202), (2070, 39335), (3450, 23601), (5175, 15734), (7867, 10350)]