128750440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 376911360

約数和(自身を除く): 248160920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 163, 182, 196, 217, 245, 248, 260, 280, 310, 326, 364, 392, 403, 434, 455, 490, 520, 620, 637, 652, 728, 806, 815, 868, 910, 980, 1085, 1141, 1240, 1274, 1304, 1519, 1612, 1630, 1736, 1820, 1960, 2015, 2119, 2170, 2282, 2548, 2821, 3038, 3185, 3224, 3260, 3640, 4030, 4238, 4340, 4564, 5053, 5096, 5642, 5705, 6076, 6370, 6520, 7595, 7987, 8060, 8476, 8680, 9128, 10106, 10595, 11284, 11410, 12152, 12740, 14105, 14833, 15190, 15974, 16120, 16952, 19747, 20212, 21190, 22568, 22820, 25265, 25480, 28210, 29666, 30380, 31948, 35371, 39494, 39935, 40424, 42380, 45640, 50530, 56420, 59332, 60760, 63896, 65689, 70742, 74165, 78988, 79870, 84760, 98735, 101060, 103831, 112840, 118664, 131378, 141484, 148330, 157976, 159740, 176855, 197470, 202120, 207662, 247597, 262756, 282968, 296660, 319480, 328445, 353710, 394940, 415324, 459823, 495194, 519155, 525512, 593320, 656890, 707420, 789880, 830648, 919646, 990388, 1038310, 1237985, 1313780, 1414840, 1839292, 1980776, 2076620, 2299115, 2475970, 2627560, 3218761, 3678584, 4153240, 4598230, 4951940, 6437522, 9196460, 9903880, 12875044, 16093805, 18392920, 25750088, 32187610, 64375220, 128750440]

約数ペア:

[(1, 128750440), (2, 64375220), (4, 32187610), (5, 25750088), (7, 18392920), (8, 16093805), (10, 12875044), (13, 9903880), (14, 9196460), (20, 6437522), (26, 4951940), (28, 4598230), (31, 4153240), (35, 3678584), (40, 3218761), (49, 2627560), (52, 2475970), (56, 2299115), (62, 2076620), (65, 1980776), (70, 1839292), (91, 1414840), (98, 1313780), (104, 1237985), (124, 1038310), (130, 990388), (140, 919646), (155, 830648), (163, 789880), (182, 707420), (196, 656890), (217, 593320), (245, 525512), (248, 519155), (260, 495194), (280, 459823), (310, 415324), (326, 394940), (364, 353710), (392, 328445), (403, 319480), (434, 296660), (455, 282968), (490, 262756), (520, 247597), (620, 207662), (637, 202120), (652, 197470), (728, 176855), (806, 159740), (815, 157976), (868, 148330), (910, 141484), (980, 131378), (1085, 118664), (1141, 112840), (1240, 103831), (1274, 101060), (1304, 98735), (1519, 84760), (1612, 79870), (1630, 78988), (1736, 74165), (1820, 70742), (1960, 65689), (2015, 63896), (2119, 60760), (2170, 59332), (2282, 56420), (2548, 50530), (2821, 45640), (3038, 42380), (3185, 40424), (3224, 39935), (3260, 39494), (3640, 35371), (4030, 31948), (4238, 30380), (4340, 29666), (4564, 28210), (5053, 25480), (5096, 25265), (5642, 22820), (5705, 22568), (6076, 21190), (6370, 20212), (6520, 19747), (7595, 16952), (7987, 16120), (8060, 15974), (8476, 15190), (8680, 14833), (9128, 14105), (10106, 12740), (10595, 12152), (11284, 11410)]