128766840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 424396800

約数和(自身を除く): 295629960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 47, 51, 60, 68, 79, 85, 94, 102, 120, 136, 141, 158, 170, 188, 204, 235, 237, 255, 282, 289, 316, 340, 376, 395, 408, 470, 474, 510, 564, 578, 632, 680, 705, 790, 799, 867, 940, 948, 1020, 1128, 1156, 1185, 1343, 1410, 1445, 1580, 1598, 1734, 1880, 1896, 2040, 2312, 2370, 2397, 2686, 2820, 2890, 3160, 3196, 3468, 3713, 3995, 4029, 4335, 4740, 4794, 5372, 5640, 5780, 6392, 6715, 6936, 7426, 7990, 8058, 8670, 9480, 9588, 10744, 11139, 11560, 11985, 13430, 13583, 14852, 15980, 16116, 17340, 18565, 19176, 20145, 22278, 22831, 23970, 26860, 27166, 29704, 31960, 32232, 34680, 37130, 40290, 40749, 44556, 45662, 47940, 53720, 54332, 55695, 63121, 67915, 68493, 74260, 80580, 81498, 89112, 91324, 95880, 108664, 111390, 114155, 126242, 135830, 136986, 148520, 161160, 162996, 182648, 189363, 203745, 222780, 228310, 252484, 271660, 273972, 315605, 325992, 342465, 378726, 407490, 445560, 456620, 504968, 543320, 547944, 631210, 684930, 757452, 814980, 913240, 946815, 1073057, 1262420, 1369860, 1514904, 1629960, 1893630, 2146114, 2524840, 2739720, 3219171, 3787260, 4292228, 5365285, 6438342, 7574520, 8584456, 10730570, 12876684, 16095855, 21461140, 25753368, 32191710, 42922280, 64383420, 128766840]

約数ペア:

[(1, 128766840), (2, 64383420), (3, 42922280), (4, 32191710), (5, 25753368), (6, 21461140), (8, 16095855), (10, 12876684), (12, 10730570), (15, 8584456), (17, 7574520), (20, 6438342), (24, 5365285), (30, 4292228), (34, 3787260), (40, 3219171), (47, 2739720), (51, 2524840), (60, 2146114), (68, 1893630), (79, 1629960), (85, 1514904), (94, 1369860), (102, 1262420), (120, 1073057), (136, 946815), (141, 913240), (158, 814980), (170, 757452), (188, 684930), (204, 631210), (235, 547944), (237, 543320), (255, 504968), (282, 456620), (289, 445560), (316, 407490), (340, 378726), (376, 342465), (395, 325992), (408, 315605), (470, 273972), (474, 271660), (510, 252484), (564, 228310), (578, 222780), (632, 203745), (680, 189363), (705, 182648), (790, 162996), (799, 161160), (867, 148520), (940, 136986), (948, 135830), (1020, 126242), (1128, 114155), (1156, 111390), (1185, 108664), (1343, 95880), (1410, 91324), (1445, 89112), (1580, 81498), (1598, 80580), (1734, 74260), (1880, 68493), (1896, 67915), (2040, 63121), (2312, 55695), (2370, 54332), (2397, 53720), (2686, 47940), (2820, 45662), (2890, 44556), (3160, 40749), (3196, 40290), (3468, 37130), (3713, 34680), (3995, 32232), (4029, 31960), (4335, 29704), (4740, 27166), (4794, 26860), (5372, 23970), (5640, 22831), (5780, 22278), (6392, 20145), (6715, 19176), (6936, 18565), (7426, 17340), (7990, 16116), (8058, 15980), (8670, 14852), (9480, 13583), (9588, 13430), (10744, 11985), (11139, 11560)]