1245988660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 3265920000

約数和(自身を除く): 2019931340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 53, 70, 92, 98, 106, 115, 140, 149, 161, 196, 212, 230, 245, 265, 298, 322, 343, 371, 460, 490, 530, 596, 644, 686, 742, 745, 805, 980, 1043, 1060, 1127, 1219, 1372, 1484, 1490, 1610, 1715, 1855, 2086, 2254, 2438, 2597, 2980, 3220, 3427, 3430, 3710, 4172, 4508, 4876, 5194, 5215, 5635, 6095, 6854, 6860, 7301, 7420, 7889, 7897, 8533, 10388, 10430, 11270, 12190, 12985, 13708, 14602, 15778, 15794, 17066, 17135, 18179, 20860, 22540, 23989, 24380, 25970, 29204, 31556, 31588, 34132, 34270, 36358, 36505, 39445, 39485, 42665, 47978, 51107, 51940, 55279, 59731, 68540, 72716, 73010, 78890, 78970, 85330, 90895, 95956, 102214, 110558, 119462, 119945, 146020, 157780, 157940, 167923, 170660, 181631, 181790, 204428, 221116, 238924, 239890, 255535, 276395, 298655, 335846, 363262, 363580, 386953, 418117, 479780, 511070, 552790, 597310, 671692, 726524, 773906, 836234, 839615, 908155, 1022140, 1105580, 1175461, 1194620, 1271417, 1547812, 1672468, 1679230, 1816310, 1934765, 2090585, 2350922, 2542834, 2708671, 3358460, 3632620, 3869530, 4181170, 4701844, 5085668, 5417342, 5877305, 6357085, 7739060, 8362340, 8899919, 10834684, 11754610, 12714170, 13543355, 17799838, 23509220, 25428340, 27086710, 35599676, 44499595, 54173420, 62299433, 88999190, 124598866, 177998380, 249197732, 311497165, 622994330, 1245988660]

約数ペア:

[(1, 1245988660), (2, 622994330), (4, 311497165), (5, 249197732), (7, 177998380), (10, 124598866), (14, 88999190), (20, 62299433), (23, 54173420), (28, 44499595), (35, 35599676), (46, 27086710), (49, 25428340), (53, 23509220), (70, 17799838), (92, 13543355), (98, 12714170), (106, 11754610), (115, 10834684), (140, 8899919), (149, 8362340), (161, 7739060), (196, 6357085), (212, 5877305), (230, 5417342), (245, 5085668), (265, 4701844), (298, 4181170), (322, 3869530), (343, 3632620), (371, 3358460), (460, 2708671), (490, 2542834), (530, 2350922), (596, 2090585), (644, 1934765), (686, 1816310), (742, 1679230), (745, 1672468), (805, 1547812), (980, 1271417), (1043, 1194620), (1060, 1175461), (1127, 1105580), (1219, 1022140), (1372, 908155), (1484, 839615), (1490, 836234), (1610, 773906), (1715, 726524), (1855, 671692), (2086, 597310), (2254, 552790), (2438, 511070), (2597, 479780), (2980, 418117), (3220, 386953), (3427, 363580), (3430, 363262), (3710, 335846), (4172, 298655), (4508, 276395), (4876, 255535), (5194, 239890), (5215, 238924), (5635, 221116), (6095, 204428), (6854, 181790), (6860, 181631), (7301, 170660), (7420, 167923), (7889, 157940), (7897, 157780), (8533, 146020), (10388, 119945), (10430, 119462), (11270, 110558), (12190, 102214), (12985, 95956), (13708, 90895), (14602, 85330), (15778, 78970), (15794, 78890), (17066, 73010), (17135, 72716), (18179, 68540), (20860, 59731), (22540, 55279), (23989, 51940), (24380, 51107), (25970, 47978), (29204, 42665), (31556, 39485), (31588, 39445), (34132, 36505), (34270, 36358)]