221532570

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:554

約数の個数: 160

約数和(自身を含む): 689990400

約数和(自身を除く): 468457830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 89, 90, 105, 126, 135, 162, 178, 189, 210, 267, 270, 315, 378, 405, 439, 445, 534, 567, 623, 630, 801, 810, 878, 890, 945, 1134, 1246, 1317, 1335, 1602, 1869, 1890, 2195, 2403, 2634, 2670, 2835, 3073, 3115, 3738, 3951, 4005, 4390, 4806, 5607, 5670, 6146, 6230, 6585, 7209, 7902, 8010, 9219, 9345, 11214, 11853, 12015, 13170, 14418, 15365, 16821, 18438, 18690, 19755, 23706, 24030, 27657, 28035, 30730, 33642, 35559, 36045, 39071, 39510, 46095, 50463, 55314, 56070, 59265, 71118, 72090, 78142, 82971, 84105, 92190, 100926, 117213, 118530, 138285, 165942, 168210, 177795, 195355, 234426, 248913, 252315, 273497, 276570, 351639, 355590, 390710, 414855, 497826, 504630, 546994, 586065, 703278, 820491, 829710, 1054917, 1172130, 1244565, 1367485, 1640982, 1758195, 2109834, 2461473, 2489130, 2734970, 3164751, 3516390, 4102455, 4922946, 5274585, 6329502, 7384419, 8204910, 10549170, 12307365, 14768838, 15823755, 22153257, 24614730, 31647510, 36922095, 44306514, 73844190, 110766285, 221532570]

約数ペア:

[(1, 221532570), (2, 110766285), (3, 73844190), (5, 44306514), (6, 36922095), (7, 31647510), (9, 24614730), (10, 22153257), (14, 15823755), (15, 14768838), (18, 12307365), (21, 10549170), (27, 8204910), (30, 7384419), (35, 6329502), (42, 5274585), (45, 4922946), (54, 4102455), (63, 3516390), (70, 3164751), (81, 2734970), (89, 2489130), (90, 2461473), (105, 2109834), (126, 1758195), (135, 1640982), (162, 1367485), (178, 1244565), (189, 1172130), (210, 1054917), (267, 829710), (270, 820491), (315, 703278), (378, 586065), (405, 546994), (439, 504630), (445, 497826), (534, 414855), (567, 390710), (623, 355590), (630, 351639), (801, 276570), (810, 273497), (878, 252315), (890, 248913), (945, 234426), (1134, 195355), (1246, 177795), (1317, 168210), (1335, 165942), (1602, 138285), (1869, 118530), (1890, 117213), (2195, 100926), (2403, 92190), (2634, 84105), (2670, 82971), (2835, 78142), (3073, 72090), (3115, 71118), (3738, 59265), (3951, 56070), (4005, 55314), (4390, 50463), (4806, 46095), (5607, 39510), (5670, 39071), (6146, 36045), (6230, 35559), (6585, 33642), (7209, 30730), (7902, 28035), (8010, 27657), (9219, 24030), (9345, 23706), (11214, 19755), (11853, 18690), (12015, 18438), (13170, 16821), (14418, 15365)]