128086980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2338

約数の個数: 144

約数和(自身を含む): 439346880

約数和(自身を除く): 311259900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2293, 2660, 2793, 2940, 3724, 3990, 4586, 4655, 5586, 6879, 7980, 9172, 9310, 11172, 11465, 13758, 13965, 16051, 18620, 22930, 27516, 27930, 32102, 34395, 43567, 45860, 48153, 55860, 64204, 68790, 80255, 87134, 96306, 112357, 130701, 137580, 160510, 174268, 192612, 217835, 224714, 240765, 261402, 304969, 321020, 337071, 435670, 449428, 481530, 522804, 561785, 609938, 653505, 674142, 871340, 914907, 963060, 1123570, 1219876, 1307010, 1348284, 1524845, 1685355, 1829814, 2134783, 2247140, 2614020, 3049690, 3370710, 3659628, 4269566, 4574535, 6099380, 6404349, 6741420, 8539132, 9149070, 10673915, 12808698, 18298140, 21347830, 25617396, 32021745, 42695660, 64043490, 128086980]

約数ペア:

[(1, 128086980), (2, 64043490), (3, 42695660), (4, 32021745), (5, 25617396), (6, 21347830), (7, 18298140), (10, 12808698), (12, 10673915), (14, 9149070), (15, 8539132), (19, 6741420), (20, 6404349), (21, 6099380), (28, 4574535), (30, 4269566), (35, 3659628), (38, 3370710), (42, 3049690), (49, 2614020), (57, 2247140), (60, 2134783), (70, 1829814), (76, 1685355), (84, 1524845), (95, 1348284), (98, 1307010), (105, 1219876), (114, 1123570), (133, 963060), (140, 914907), (147, 871340), (190, 674142), (196, 653505), (210, 609938), (228, 561785), (245, 522804), (266, 481530), (285, 449428), (294, 435670), (380, 337071), (399, 321020), (420, 304969), (490, 261402), (532, 240765), (570, 224714), (588, 217835), (665, 192612), (735, 174268), (798, 160510), (931, 137580), (980, 130701), (1140, 112357), (1330, 96306), (1470, 87134), (1596, 80255), (1862, 68790), (1995, 64204), (2293, 55860), (2660, 48153), (2793, 45860), (2940, 43567), (3724, 34395), (3990, 32102), (4586, 27930), (4655, 27516), (5586, 22930), (6879, 18620), (7980, 16051), (9172, 13965), (9310, 13758), (11172, 11465)]