28236180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 98058240

約数和(自身を除く): 69822060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 37, 42, 46, 60, 69, 70, 74, 79, 84, 92, 105, 111, 115, 138, 140, 148, 158, 161, 185, 210, 222, 230, 237, 259, 276, 316, 322, 345, 370, 395, 420, 444, 460, 474, 483, 518, 553, 555, 644, 690, 740, 777, 790, 805, 851, 948, 966, 1036, 1106, 1110, 1185, 1295, 1380, 1554, 1580, 1610, 1659, 1702, 1817, 1932, 2212, 2220, 2370, 2415, 2553, 2590, 2765, 2923, 3108, 3220, 3318, 3404, 3634, 3885, 4255, 4740, 4830, 5106, 5180, 5451, 5530, 5846, 5957, 6636, 7268, 7770, 8295, 8510, 8769, 9085, 9660, 10212, 10902, 11060, 11692, 11914, 12719, 12765, 14615, 15540, 16590, 17020, 17538, 17871, 18170, 20461, 21804, 23828, 25438, 25530, 27255, 29230, 29785, 33180, 35076, 35742, 36340, 38157, 40922, 43845, 50876, 51060, 54510, 58460, 59570, 61383, 63595, 67229, 71484, 76314, 81844, 87690, 89355, 102305, 109020, 119140, 122766, 127190, 134458, 152628, 175380, 178710, 190785, 201687, 204610, 245532, 254380, 268916, 306915, 336145, 357420, 381570, 403374, 409220, 470603, 613830, 672290, 763140, 806748, 941206, 1008435, 1227660, 1344580, 1411809, 1882412, 2016870, 2353015, 2823618, 4033740, 4706030, 5647236, 7059045, 9412060, 14118090, 28236180]

約数ペア:

[(1, 28236180), (2, 14118090), (3, 9412060), (4, 7059045), (5, 5647236), (6, 4706030), (7, 4033740), (10, 2823618), (12, 2353015), (14, 2016870), (15, 1882412), (20, 1411809), (21, 1344580), (23, 1227660), (28, 1008435), (30, 941206), (35, 806748), (37, 763140), (42, 672290), (46, 613830), (60, 470603), (69, 409220), (70, 403374), (74, 381570), (79, 357420), (84, 336145), (92, 306915), (105, 268916), (111, 254380), (115, 245532), (138, 204610), (140, 201687), (148, 190785), (158, 178710), (161, 175380), (185, 152628), (210, 134458), (222, 127190), (230, 122766), (237, 119140), (259, 109020), (276, 102305), (316, 89355), (322, 87690), (345, 81844), (370, 76314), (395, 71484), (420, 67229), (444, 63595), (460, 61383), (474, 59570), (483, 58460), (518, 54510), (553, 51060), (555, 50876), (644, 43845), (690, 40922), (740, 38157), (777, 36340), (790, 35742), (805, 35076), (851, 33180), (948, 29785), (966, 29230), (1036, 27255), (1106, 25530), (1110, 25438), (1185, 23828), (1295, 21804), (1380, 20461), (1554, 18170), (1580, 17871), (1610, 17538), (1659, 17020), (1702, 16590), (1817, 15540), (1932, 14615), (2212, 12765), (2220, 12719), (2370, 11914), (2415, 11692), (2553, 11060), (2590, 10902), (2765, 10212), (2923, 9660), (3108, 9085), (3220, 8769), (3318, 8510), (3404, 8295), (3634, 7770), (3885, 7268), (4255, 6636), (4740, 5957), (4830, 5846), (5106, 5530), (5180, 5451)]