221428980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7547}}^1$

素因数の和:7725

約数の個数: 72

約数和(自身を含む): 675878112

約数和(自身を除く): 454449132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 7547, 9780, 14670, 15094, 22641, 29340, 30188, 37735, 45282, 67923, 75470, 90564, 113205, 135846, 150940, 226410, 271692, 339615, 452820, 679230, 1230161, 1358460, 2460322, 3690483, 4920644, 6150805, 7380966, 11071449, 12301610, 14761932, 18452415, 22142898, 24603220, 36904830, 44285796, 55357245, 73809660, 110714490, 221428980]

約数ペア:

[(1, 221428980), (2, 110714490), (3, 73809660), (4, 55357245), (5, 44285796), (6, 36904830), (9, 24603220), (10, 22142898), (12, 18452415), (15, 14761932), (18, 12301610), (20, 11071449), (30, 7380966), (36, 6150805), (45, 4920644), (60, 3690483), (90, 2460322), (163, 1358460), (180, 1230161), (326, 679230), (489, 452820), (652, 339615), (815, 271692), (978, 226410), (1467, 150940), (1630, 135846), (1956, 113205), (2445, 90564), (2934, 75470), (3260, 67923), (4890, 45282), (5868, 37735), (7335, 30188), (7547, 29340), (9780, 22641), (14670, 15094)]