180721016

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 426980160

約数和(自身を除く): 246259144

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 47, 49, 56, 68, 94, 98, 119, 136, 188, 196, 238, 329, 376, 392, 476, 577, 658, 799, 833, 952, 1154, 1316, 1598, 1666, 2303, 2308, 2632, 3196, 3332, 4039, 4606, 4616, 5593, 6392, 6664, 8078, 9212, 9809, 11186, 16156, 18424, 19618, 22372, 27119, 28273, 32312, 39151, 39236, 44744, 54238, 56546, 68663, 78302, 78472, 108476, 113092, 137326, 156604, 189833, 216952, 226184, 274652, 313208, 379666, 461023, 480641, 549304, 759332, 922046, 961282, 1328831, 1518664, 1844092, 1922564, 2657662, 3227161, 3688184, 3845128, 5315324, 6454322, 10630648, 12908644, 22590127, 25817288, 45180254, 90360508, 180721016]

約数ペア:

[(1, 180721016), (2, 90360508), (4, 45180254), (7, 25817288), (8, 22590127), (14, 12908644), (17, 10630648), (28, 6454322), (34, 5315324), (47, 3845128), (49, 3688184), (56, 3227161), (68, 2657662), (94, 1922564), (98, 1844092), (119, 1518664), (136, 1328831), (188, 961282), (196, 922046), (238, 759332), (329, 549304), (376, 480641), (392, 461023), (476, 379666), (577, 313208), (658, 274652), (799, 226184), (833, 216952), (952, 189833), (1154, 156604), (1316, 137326), (1598, 113092), (1666, 108476), (2303, 78472), (2308, 78302), (2632, 68663), (3196, 56546), (3332, 54238), (4039, 44744), (4606, 39236), (4616, 39151), (5593, 32312), (6392, 28273), (6664, 27119), (8078, 22372), (9212, 19618), (9809, 18424), (11186, 16156)]