1639220240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{739}}^1$

素因数の和:1009

約数の個数: 160

約数和(自身を含む): 4637917440

約数和(自身を除く): 2998697200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 233, 238, 272, 280, 340, 466, 476, 560, 595, 680, 739, 932, 952, 1165, 1190, 1360, 1478, 1631, 1864, 1904, 2330, 2380, 2956, 3262, 3695, 3728, 3961, 4660, 4760, 5173, 5912, 6524, 7390, 7922, 8155, 9320, 9520, 10346, 11824, 12563, 13048, 14780, 15844, 16310, 18640, 19805, 20692, 25126, 25865, 26096, 27727, 29560, 31688, 32620, 39610, 41384, 50252, 51730, 55454, 59120, 62815, 63376, 65240, 79220, 82768, 87941, 100504, 103460, 110908, 125630, 130480, 138635, 158440, 172187, 175882, 201008, 206920, 221816, 251260, 277270, 316880, 344374, 351764, 413840, 439705, 443632, 502520, 554540, 688748, 703528, 860935, 879410, 1005040, 1109080, 1205309, 1377496, 1407056, 1721870, 1758820, 2218160, 2410618, 2754992, 2927179, 3443740, 3517640, 4821236, 5854358, 6026545, 6887480, 7035280, 9642472, 11708716, 12053090, 13774960, 14635895, 19284944, 20490253, 23417432, 24106180, 29271790, 40980506, 46834864, 48212360, 58543580, 81961012, 96424720, 102451265, 117087160, 163922024, 204902530, 234174320, 327844048, 409805060, 819610120, 1639220240]

約数ペア:

[(1, 1639220240), (2, 819610120), (4, 409805060), (5, 327844048), (7, 234174320), (8, 204902530), (10, 163922024), (14, 117087160), (16, 102451265), (17, 96424720), (20, 81961012), (28, 58543580), (34, 48212360), (35, 46834864), (40, 40980506), (56, 29271790), (68, 24106180), (70, 23417432), (80, 20490253), (85, 19284944), (112, 14635895), (119, 13774960), (136, 12053090), (140, 11708716), (170, 9642472), (233, 7035280), (238, 6887480), (272, 6026545), (280, 5854358), (340, 4821236), (466, 3517640), (476, 3443740), (560, 2927179), (595, 2754992), (680, 2410618), (739, 2218160), (932, 1758820), (952, 1721870), (1165, 1407056), (1190, 1377496), (1360, 1205309), (1478, 1109080), (1631, 1005040), (1864, 879410), (1904, 860935), (2330, 703528), (2380, 688748), (2956, 554540), (3262, 502520), (3695, 443632), (3728, 439705), (3961, 413840), (4660, 351764), (4760, 344374), (5173, 316880), (5912, 277270), (6524, 251260), (7390, 221816), (7922, 206920), (8155, 201008), (9320, 175882), (9520, 172187), (10346, 158440), (11824, 138635), (12563, 130480), (13048, 125630), (14780, 110908), (15844, 103460), (16310, 100504), (18640, 87941), (19805, 82768), (20692, 79220), (25126, 65240), (25865, 63376), (26096, 62815), (27727, 59120), (29560, 55454), (31688, 51730), (32620, 50252), (39610, 41384)]