27955590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1667}}^1$

素因数の和:1733

約数の個数: 64

約数和(自身を含む): 73979136

約数和(自身を除く): 46023546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1667, 1677, 2795, 3334, 3354, 5001, 5590, 8335, 8385, 10002, 16670, 16770, 21671, 25005, 43342, 50010, 65013, 71681, 108355, 130026, 143362, 215043, 216710, 325065, 358405, 430086, 650130, 716810, 931853, 1075215, 1863706, 2150430, 2795559, 4659265, 5591118, 9318530, 13977795, 27955590]

約数ペア:

[(1, 27955590), (2, 13977795), (3, 9318530), (5, 5591118), (6, 4659265), (10, 2795559), (13, 2150430), (15, 1863706), (26, 1075215), (30, 931853), (39, 716810), (43, 650130), (65, 430086), (78, 358405), (86, 325065), (129, 216710), (130, 215043), (195, 143362), (215, 130026), (258, 108355), (390, 71681), (430, 65013), (559, 50010), (645, 43342), (1118, 25005), (1290, 21671), (1667, 16770), (1677, 16670), (2795, 10002), (3334, 8385), (3354, 8335), (5001, 5590)]