28744020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 93405312

約数和(自身を除く): 64661292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 53, 60, 69, 90, 92, 106, 115, 131, 138, 159, 180, 207, 212, 230, 262, 265, 276, 318, 345, 393, 414, 460, 477, 524, 530, 636, 655, 690, 786, 795, 828, 954, 1035, 1060, 1179, 1219, 1310, 1380, 1572, 1590, 1908, 1965, 2070, 2358, 2385, 2438, 2620, 3013, 3180, 3657, 3930, 4140, 4716, 4770, 4876, 5895, 6026, 6095, 6943, 7314, 7860, 9039, 9540, 10971, 11790, 12052, 12190, 13886, 14628, 15065, 18078, 18285, 20829, 21942, 23580, 24380, 27117, 27772, 30130, 34715, 36156, 36570, 41658, 43884, 45195, 54234, 54855, 60260, 62487, 69430, 73140, 83316, 90390, 104145, 108468, 109710, 124974, 135585, 138860, 159689, 180780, 208290, 219420, 249948, 271170, 312435, 319378, 416580, 479067, 542340, 624870, 638756, 798445, 958134, 1249740, 1437201, 1596890, 1916268, 2395335, 2874402, 3193780, 4790670, 5748804, 7186005, 9581340, 14372010, 28744020]

約数ペア:

[(1, 28744020), (2, 14372010), (3, 9581340), (4, 7186005), (5, 5748804), (6, 4790670), (9, 3193780), (10, 2874402), (12, 2395335), (15, 1916268), (18, 1596890), (20, 1437201), (23, 1249740), (30, 958134), (36, 798445), (45, 638756), (46, 624870), (53, 542340), (60, 479067), (69, 416580), (90, 319378), (92, 312435), (106, 271170), (115, 249948), (131, 219420), (138, 208290), (159, 180780), (180, 159689), (207, 138860), (212, 135585), (230, 124974), (262, 109710), (265, 108468), (276, 104145), (318, 90390), (345, 83316), (393, 73140), (414, 69430), (460, 62487), (477, 60260), (524, 54855), (530, 54234), (636, 45195), (655, 43884), (690, 41658), (786, 36570), (795, 36156), (828, 34715), (954, 30130), (1035, 27772), (1060, 27117), (1179, 24380), (1219, 23580), (1310, 21942), (1380, 20829), (1572, 18285), (1590, 18078), (1908, 15065), (1965, 14628), (2070, 13886), (2358, 12190), (2385, 12052), (2438, 11790), (2620, 10971), (3013, 9540), (3180, 9039), (3657, 7860), (3930, 7314), (4140, 6943), (4716, 6095), (4770, 6026), (4876, 5895)]