218832880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 620674560

約数和(自身を除く): 401841680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 131, 133, 140, 152, 157, 190, 262, 266, 280, 304, 314, 380, 524, 532, 560, 628, 655, 665, 760, 785, 917, 1048, 1064, 1099, 1256, 1310, 1330, 1520, 1570, 1834, 2096, 2128, 2198, 2489, 2512, 2620, 2660, 2983, 3140, 3668, 4396, 4585, 4978, 5240, 5320, 5495, 5966, 6280, 7336, 8792, 9170, 9956, 10480, 10640, 10990, 11932, 12445, 12560, 14672, 14915, 17423, 17584, 18340, 19912, 20567, 20881, 21980, 23864, 24890, 29830, 34846, 36680, 39824, 41134, 41762, 43960, 47728, 49780, 59660, 69692, 73360, 82268, 83524, 87115, 87920, 99560, 102835, 104405, 119320, 139384, 143969, 164536, 167048, 174230, 199120, 205670, 208810, 238640, 278768, 287938, 329072, 334096, 348460, 390773, 411340, 417620, 575876, 696920, 719845, 781546, 822680, 835240, 1151752, 1393840, 1439690, 1563092, 1645360, 1670480, 1953865, 2303504, 2735411, 2879380, 3126184, 3907730, 5470822, 5758760, 6252368, 7815460, 10941644, 11517520, 13677055, 15630920, 21883288, 27354110, 31261840, 43766576, 54708220, 109416440, 218832880]

約数ペア:

[(1, 218832880), (2, 109416440), (4, 54708220), (5, 43766576), (7, 31261840), (8, 27354110), (10, 21883288), (14, 15630920), (16, 13677055), (19, 11517520), (20, 10941644), (28, 7815460), (35, 6252368), (38, 5758760), (40, 5470822), (56, 3907730), (70, 3126184), (76, 2879380), (80, 2735411), (95, 2303504), (112, 1953865), (131, 1670480), (133, 1645360), (140, 1563092), (152, 1439690), (157, 1393840), (190, 1151752), (262, 835240), (266, 822680), (280, 781546), (304, 719845), (314, 696920), (380, 575876), (524, 417620), (532, 411340), (560, 390773), (628, 348460), (655, 334096), (665, 329072), (760, 287938), (785, 278768), (917, 238640), (1048, 208810), (1064, 205670), (1099, 199120), (1256, 174230), (1310, 167048), (1330, 164536), (1520, 143969), (1570, 139384), (1834, 119320), (2096, 104405), (2128, 102835), (2198, 99560), (2489, 87920), (2512, 87115), (2620, 83524), (2660, 82268), (2983, 73360), (3140, 69692), (3668, 59660), (4396, 49780), (4585, 47728), (4978, 43960), (5240, 41762), (5320, 41134), (5495, 39824), (5966, 36680), (6280, 34846), (7336, 29830), (8792, 24890), (9170, 23864), (9956, 21980), (10480, 20881), (10640, 20567), (10990, 19912), (11932, 18340), (12445, 17584), (12560, 17423), (14672, 14915)]