1631840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 96

約数和(自身を含む): 4644864

約数和(自身を除く): 3013024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 47, 56, 62, 70, 80, 94, 112, 124, 140, 155, 160, 188, 217, 224, 235, 248, 280, 310, 329, 376, 434, 470, 496, 560, 620, 658, 752, 868, 940, 992, 1085, 1120, 1240, 1316, 1457, 1504, 1645, 1736, 1880, 2170, 2480, 2632, 2914, 3290, 3472, 3760, 4340, 4960, 5264, 5828, 6580, 6944, 7285, 7520, 8680, 10199, 10528, 11656, 13160, 14570, 17360, 20398, 23312, 26320, 29140, 34720, 40796, 46624, 50995, 52640, 58280, 81592, 101990, 116560, 163184, 203980, 233120, 326368, 407960, 815920, 1631840]

約数ペア:

[(1, 1631840), (2, 815920), (4, 407960), (5, 326368), (7, 233120), (8, 203980), (10, 163184), (14, 116560), (16, 101990), (20, 81592), (28, 58280), (31, 52640), (32, 50995), (35, 46624), (40, 40796), (47, 34720), (56, 29140), (62, 26320), (70, 23312), (80, 20398), (94, 17360), (112, 14570), (124, 13160), (140, 11656), (155, 10528), (160, 10199), (188, 8680), (217, 7520), (224, 7285), (235, 6944), (248, 6580), (280, 5828), (310, 5264), (329, 4960), (376, 4340), (434, 3760), (470, 3472), (496, 3290), (560, 2914), (620, 2632), (658, 2480), (752, 2170), (868, 1880), (940, 1736), (992, 1645), (1085, 1504), (1120, 1457), (1240, 1316)]