221372760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1249}}^1$

素因数の和:1481

約数の個数: 128

約数和(自身を含む): 763200000

約数和(自身を除く): 541827240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 211, 280, 420, 422, 633, 840, 844, 1055, 1249, 1266, 1477, 1688, 2110, 2498, 2532, 2954, 3165, 3747, 4220, 4431, 4996, 5064, 5908, 6245, 6330, 7385, 7494, 8440, 8743, 8862, 9992, 11816, 12490, 12660, 14770, 14988, 17486, 17724, 18735, 22155, 24980, 25320, 26229, 29540, 29976, 34972, 35448, 37470, 43715, 44310, 49960, 52458, 59080, 69944, 74940, 87430, 88620, 104916, 131145, 149880, 174860, 177240, 209832, 262290, 263539, 349720, 524580, 527078, 790617, 1049160, 1054156, 1317695, 1581234, 1844773, 2108312, 2635390, 3162468, 3689546, 3953085, 5270780, 5534319, 6324936, 7379092, 7906170, 9223865, 10541560, 11068638, 14758184, 15812340, 18447730, 22137276, 27671595, 31624680, 36895460, 44274552, 55343190, 73790920, 110686380, 221372760]

約数ペア:

[(1, 221372760), (2, 110686380), (3, 73790920), (4, 55343190), (5, 44274552), (6, 36895460), (7, 31624680), (8, 27671595), (10, 22137276), (12, 18447730), (14, 15812340), (15, 14758184), (20, 11068638), (21, 10541560), (24, 9223865), (28, 7906170), (30, 7379092), (35, 6324936), (40, 5534319), (42, 5270780), (56, 3953085), (60, 3689546), (70, 3162468), (84, 2635390), (105, 2108312), (120, 1844773), (140, 1581234), (168, 1317695), (210, 1054156), (211, 1049160), (280, 790617), (420, 527078), (422, 524580), (633, 349720), (840, 263539), (844, 262290), (1055, 209832), (1249, 177240), (1266, 174860), (1477, 149880), (1688, 131145), (2110, 104916), (2498, 88620), (2532, 87430), (2954, 74940), (3165, 69944), (3747, 59080), (4220, 52458), (4431, 49960), (4996, 44310), (5064, 43715), (5908, 37470), (6245, 35448), (6330, 34972), (7385, 29976), (7494, 29540), (8440, 26229), (8743, 25320), (8862, 24980), (9992, 22155), (11816, 18735), (12490, 17724), (12660, 17486), (14770, 14988)]