131448680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 216916120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 184, 220, 230, 248, 253, 310, 341, 419, 440, 460, 506, 620, 682, 713, 838, 920, 1012, 1240, 1265, 1364, 1426, 1676, 1705, 2024, 2095, 2530, 2728, 2852, 3352, 3410, 3565, 4190, 4609, 5060, 5704, 6820, 7130, 7843, 8380, 9218, 9637, 10120, 12989, 13640, 14260, 15686, 16760, 18436, 19274, 23045, 25978, 28520, 31372, 36872, 38548, 39215, 46090, 48185, 51956, 62744, 64945, 77096, 78430, 92180, 96370, 103912, 106007, 129890, 142879, 156860, 184360, 192740, 212014, 259780, 285758, 298747, 313720, 385480, 424028, 519560, 530035, 571516, 597494, 714395, 848056, 1060070, 1143032, 1194988, 1428790, 1493735, 2120140, 2389976, 2857580, 2987470, 3286217, 4240280, 5715160, 5974940, 6572434, 11949880, 13144868, 16431085, 26289736, 32862170, 65724340, 131448680]

約数ペア:

[(1, 131448680), (2, 65724340), (4, 32862170), (5, 26289736), (8, 16431085), (10, 13144868), (11, 11949880), (20, 6572434), (22, 5974940), (23, 5715160), (31, 4240280), (40, 3286217), (44, 2987470), (46, 2857580), (55, 2389976), (62, 2120140), (88, 1493735), (92, 1428790), (110, 1194988), (115, 1143032), (124, 1060070), (155, 848056), (184, 714395), (220, 597494), (230, 571516), (248, 530035), (253, 519560), (310, 424028), (341, 385480), (419, 313720), (440, 298747), (460, 285758), (506, 259780), (620, 212014), (682, 192740), (713, 184360), (838, 156860), (920, 142879), (1012, 129890), (1240, 106007), (1265, 103912), (1364, 96370), (1426, 92180), (1676, 78430), (1705, 77096), (2024, 64945), (2095, 62744), (2530, 51956), (2728, 48185), (2852, 46090), (3352, 39215), (3410, 38548), (3565, 36872), (4190, 31372), (4609, 28520), (5060, 25978), (5704, 23045), (6820, 19274), (7130, 18436), (7843, 16760), (8380, 15686), (9218, 14260), (9637, 13640), (10120, 12989)]