2878667440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 240

約数和(自身を含む): 7780002048

約数和(自身を除く): 4901334608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 53, 55, 62, 80, 88, 106, 110, 121, 124, 155, 176, 181, 212, 220, 242, 248, 265, 310, 341, 362, 424, 440, 484, 496, 530, 583, 605, 620, 682, 724, 848, 880, 905, 968, 1060, 1166, 1210, 1240, 1364, 1448, 1643, 1705, 1810, 1936, 1991, 2120, 2332, 2420, 2480, 2728, 2896, 2915, 3286, 3410, 3620, 3751, 3982, 4240, 4664, 4840, 5456, 5611, 5830, 6413, 6572, 6820, 7240, 7502, 7964, 8215, 9328, 9593, 9680, 9955, 11222, 11660, 12826, 13144, 13640, 14480, 15004, 15928, 16430, 18073, 18755, 19186, 19910, 21901, 22444, 23320, 25652, 26288, 27280, 28055, 30008, 31856, 32065, 32860, 36146, 37510, 38372, 39820, 43802, 44888, 46640, 47965, 51304, 56110, 60016, 61721, 64130, 65720, 72292, 75020, 76744, 79640, 87604, 89776, 90365, 95930, 102608, 105523, 109505, 112220, 123442, 128260, 131440, 144584, 150040, 153488, 159280, 175208, 180730, 191860, 198803, 211046, 219010, 224440, 246884, 256520, 289168, 297383, 300080, 308605, 350416, 361460, 383720, 397606, 422092, 438020, 448880, 493768, 513040, 527615, 594766, 617210, 678931, 722920, 767440, 795212, 844184, 876040, 987536, 994015, 1055230, 1160753, 1189532, 1234420, 1357862, 1445840, 1486915, 1590424, 1688368, 1752080, 1988030, 2110460, 2321506, 2379064, 2468840, 2715724, 2973830, 3180848, 3271213, 3394655, 3976060, 4220920, 4643012, 4758128, 4937680, 5431448, 5803765, 5947660, 6542426, 6789310, 7952120, 8441840, 9286024, 10862896, 11607530, 11895320, 13084852, 13578620, 15904240, 16356065, 18572048, 23215060, 23790640, 26169704, 27157240, 32712130, 35983343, 46430120, 52339408, 54314480, 65424260, 71966686, 92860240, 130848520, 143933372, 179916715, 261697040, 287866744, 359833430, 575733488, 719666860, 1439333720, 2878667440]

約数ペア:

[(1, 2878667440), (2, 1439333720), (4, 719666860), (5, 575733488), (8, 359833430), (10, 287866744), (11, 261697040), (16, 179916715), (20, 143933372), (22, 130848520), (31, 92860240), (40, 71966686), (44, 65424260), (53, 54314480), (55, 52339408), (62, 46430120), (80, 35983343), (88, 32712130), (106, 27157240), (110, 26169704), (121, 23790640), (124, 23215060), (155, 18572048), (176, 16356065), (181, 15904240), (212, 13578620), (220, 13084852), (242, 11895320), (248, 11607530), (265, 10862896), (310, 9286024), (341, 8441840), (362, 7952120), (424, 6789310), (440, 6542426), (484, 5947660), (496, 5803765), (530, 5431448), (583, 4937680), (605, 4758128), (620, 4643012), (682, 4220920), (724, 3976060), (848, 3394655), (880, 3271213), (905, 3180848), (968, 2973830), (1060, 2715724), (1166, 2468840), (1210, 2379064), (1240, 2321506), (1364, 2110460), (1448, 1988030), (1643, 1752080), (1705, 1688368), (1810, 1590424), (1936, 1486915), (1991, 1445840), (2120, 1357862), (2332, 1234420), (2420, 1189532), (2480, 1160753), (2728, 1055230), (2896, 994015), (2915, 987536), (3286, 876040), (3410, 844184), (3620, 795212), (3751, 767440), (3982, 722920), (4240, 678931), (4664, 617210), (4840, 594766), (5456, 527615), (5611, 513040), (5830, 493768), (6413, 448880), (6572, 438020), (6820, 422092), (7240, 397606), (7502, 383720), (7964, 361460), (8215, 350416), (9328, 308605), (9593, 300080), (9680, 297383), (9955, 289168), (11222, 256520), (11660, 246884), (12826, 224440), (13144, 219010), (13640, 211046), (14480, 198803), (15004, 191860), (15928, 180730), (16430, 175208), (18073, 159280), (18755, 153488), (19186, 150040), (19910, 144584), (21901, 131440), (22444, 128260), (23320, 123442), (25652, 112220), (26288, 109505), (27280, 105523), (28055, 102608), (30008, 95930), (31856, 90365), (32065, 89776), (32860, 87604), (36146, 79640), (37510, 76744), (38372, 75020), (39820, 72292), (43802, 65720), (44888, 64130), (46640, 61721), (47965, 60016), (51304, 56110)]