221009520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2851}}^1$

素因数の和:2903

約数の個数: 160

約数和(自身を含む): 763879680

約数和(自身を除く): 542870160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 2851, 3230, 3876, 4080, 4560, 4845, 5168, 5702, 6460, 7752, 8553, 9690, 11404, 12920, 14255, 15504, 17106, 19380, 22808, 25840, 28510, 34212, 38760, 42765, 45616, 48467, 54169, 57020, 68424, 77520, 85530, 96934, 108338, 114040, 136848, 145401, 162507, 171060, 193868, 216676, 228080, 242335, 270845, 290802, 325014, 342120, 387736, 433352, 484670, 541690, 581604, 650028, 684240, 727005, 775472, 812535, 866704, 920873, 969340, 1083380, 1163208, 1300056, 1454010, 1625070, 1841746, 1938680, 2166760, 2326416, 2600112, 2762619, 2908020, 3250140, 3683492, 3877360, 4333520, 4604365, 5525238, 5816040, 6500280, 7366984, 9208730, 11050476, 11632080, 13000560, 13813095, 14733968, 18417460, 22100952, 27626190, 36834920, 44201904, 55252380, 73669840, 110504760, 221009520]

約数ペア:

[(1, 221009520), (2, 110504760), (3, 73669840), (4, 55252380), (5, 44201904), (6, 36834920), (8, 27626190), (10, 22100952), (12, 18417460), (15, 14733968), (16, 13813095), (17, 13000560), (19, 11632080), (20, 11050476), (24, 9208730), (30, 7366984), (34, 6500280), (38, 5816040), (40, 5525238), (48, 4604365), (51, 4333520), (57, 3877360), (60, 3683492), (68, 3250140), (76, 2908020), (80, 2762619), (85, 2600112), (95, 2326416), (102, 2166760), (114, 1938680), (120, 1841746), (136, 1625070), (152, 1454010), (170, 1300056), (190, 1163208), (204, 1083380), (228, 969340), (240, 920873), (255, 866704), (272, 812535), (285, 775472), (304, 727005), (323, 684240), (340, 650028), (380, 581604), (408, 541690), (456, 484670), (510, 433352), (570, 387736), (646, 342120), (680, 325014), (760, 290802), (816, 270845), (912, 242335), (969, 228080), (1020, 216676), (1140, 193868), (1292, 171060), (1360, 162507), (1520, 145401), (1615, 136848), (1938, 114040), (2040, 108338), (2280, 96934), (2584, 85530), (2851, 77520), (3230, 68424), (3876, 57020), (4080, 54169), (4560, 48467), (4845, 45616), (5168, 42765), (5702, 38760), (6460, 34212), (7752, 28510), (8553, 25840), (9690, 22808), (11404, 19380), (12920, 17106), (14255, 15504)]