101800020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1487}}^1$

素因数の和:1669

約数の個数: 96

約数和(自身を含む): 327979008

約数和(自身を除く): 226178988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 163, 210, 326, 420, 489, 652, 815, 978, 1141, 1487, 1630, 1956, 2282, 2445, 2974, 3260, 3423, 4461, 4564, 4890, 5705, 5948, 6846, 7435, 8922, 9780, 10409, 11410, 13692, 14870, 17115, 17844, 20818, 22305, 22820, 29740, 31227, 34230, 41636, 44610, 52045, 62454, 68460, 89220, 104090, 124908, 156135, 208180, 242381, 312270, 484762, 624540, 727143, 969524, 1211905, 1454286, 1696667, 2423810, 2908572, 3393334, 3635715, 4847620, 5090001, 6786668, 7271430, 8483335, 10180002, 14542860, 16966670, 20360004, 25450005, 33933340, 50900010, 101800020]

約数ペア:

[(1, 101800020), (2, 50900010), (3, 33933340), (4, 25450005), (5, 20360004), (6, 16966670), (7, 14542860), (10, 10180002), (12, 8483335), (14, 7271430), (15, 6786668), (20, 5090001), (21, 4847620), (28, 3635715), (30, 3393334), (35, 2908572), (42, 2423810), (60, 1696667), (70, 1454286), (84, 1211905), (105, 969524), (140, 727143), (163, 624540), (210, 484762), (326, 312270), (420, 242381), (489, 208180), (652, 156135), (815, 124908), (978, 104090), (1141, 89220), (1487, 68460), (1630, 62454), (1956, 52045), (2282, 44610), (2445, 41636), (2974, 34230), (3260, 31227), (3423, 29740), (4461, 22820), (4564, 22305), (4890, 20818), (5705, 17844), (5948, 17115), (6846, 14870), (7435, 13692), (8922, 11410), (9780, 10409)]