240731120

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 160

約数和(自身を含む): 676147200

約数和(自身を除く): 435416080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 283, 310, 343, 392, 434, 490, 496, 560, 566, 620, 686, 784, 868, 980, 1085, 1132, 1240, 1372, 1415, 1519, 1715, 1736, 1960, 1981, 2170, 2264, 2480, 2744, 2830, 3038, 3430, 3472, 3920, 3962, 4340, 4528, 5488, 5660, 6076, 6860, 7595, 7924, 8680, 8773, 9905, 10633, 11320, 12152, 13720, 13867, 15190, 15848, 17360, 17546, 19810, 21266, 22640, 24304, 27440, 27734, 30380, 31696, 35092, 39620, 42532, 43865, 53165, 55468, 60760, 61411, 69335, 70184, 79240, 85064, 87730, 97069, 106330, 110936, 121520, 122822, 138670, 140368, 158480, 170128, 175460, 194138, 212660, 221872, 245644, 277340, 307055, 350920, 388276, 425320, 429877, 485345, 491288, 554680, 614110, 701840, 776552, 850640, 859754, 970690, 982576, 1109360, 1228220, 1553104, 1719508, 1941380, 2149385, 2456440, 3009139, 3439016, 3882760, 4298770, 4912880, 6018278, 6878032, 7765520, 8597540, 12036556, 15045695, 17195080, 24073112, 30091390, 34390160, 48146224, 60182780, 120365560, 240731120]

約数ペア:

[(1, 240731120), (2, 120365560), (4, 60182780), (5, 48146224), (7, 34390160), (8, 30091390), (10, 24073112), (14, 17195080), (16, 15045695), (20, 12036556), (28, 8597540), (31, 7765520), (35, 6878032), (40, 6018278), (49, 4912880), (56, 4298770), (62, 3882760), (70, 3439016), (80, 3009139), (98, 2456440), (112, 2149385), (124, 1941380), (140, 1719508), (155, 1553104), (196, 1228220), (217, 1109360), (245, 982576), (248, 970690), (280, 859754), (283, 850640), (310, 776552), (343, 701840), (392, 614110), (434, 554680), (490, 491288), (496, 485345), (560, 429877), (566, 425320), (620, 388276), (686, 350920), (784, 307055), (868, 277340), (980, 245644), (1085, 221872), (1132, 212660), (1240, 194138), (1372, 175460), (1415, 170128), (1519, 158480), (1715, 140368), (1736, 138670), (1960, 122822), (1981, 121520), (2170, 110936), (2264, 106330), (2480, 97069), (2744, 87730), (2830, 85064), (3038, 79240), (3430, 70184), (3472, 69335), (3920, 61411), (3962, 60760), (4340, 55468), (4528, 53165), (5488, 43865), (5660, 42532), (6076, 39620), (6860, 35092), (7595, 31696), (7924, 30380), (8680, 27734), (8773, 27440), (9905, 24304), (10633, 22640), (11320, 21266), (12152, 19810), (13720, 17546), (13867, 17360), (15190, 15848)]