628180280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:374

約数の個数: 256

約数和(自身を含む): 1896652800

約数和(自身を除く): 1268472520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 31, 35, 38, 40, 52, 56, 62, 65, 70, 76, 91, 95, 104, 124, 130, 133, 140, 152, 155, 182, 190, 217, 247, 248, 260, 266, 280, 293, 310, 364, 380, 403, 434, 455, 494, 520, 532, 586, 589, 620, 665, 728, 760, 806, 868, 910, 988, 1064, 1085, 1172, 1178, 1235, 1240, 1330, 1465, 1612, 1729, 1736, 1820, 1976, 2015, 2051, 2170, 2344, 2356, 2470, 2660, 2821, 2930, 2945, 3224, 3458, 3640, 3809, 4030, 4102, 4123, 4340, 4712, 4940, 5320, 5567, 5642, 5860, 5890, 6916, 7618, 7657, 8060, 8204, 8246, 8645, 8680, 9083, 9880, 10255, 11134, 11284, 11720, 11780, 13832, 14105, 15236, 15314, 16120, 16408, 16492, 17290, 18166, 19045, 20510, 20615, 22268, 22568, 23560, 26663, 27835, 28210, 30472, 30628, 32984, 34580, 36332, 38090, 38285, 38969, 41020, 41230, 44536, 45415, 53326, 53599, 55670, 56420, 61256, 63581, 69160, 72371, 72664, 76180, 76570, 77938, 82040, 82460, 90830, 106652, 107198, 111340, 112840, 118079, 127162, 133315, 144742, 152360, 153140, 155876, 164920, 172577, 181660, 194845, 213304, 214396, 222680, 236158, 254324, 266630, 267995, 289484, 306280, 311752, 317905, 345154, 361855, 363320, 389690, 428792, 472316, 506597, 508648, 533260, 535990, 578968, 590395, 635810, 690308, 723710, 779380, 826553, 862885, 944632, 1013194, 1066520, 1071980, 1180790, 1208039, 1271620, 1380616, 1447420, 1558760, 1653106, 1725770, 2026388, 2143960, 2243501, 2361580, 2416078, 2532985, 2543240, 2894840, 3306212, 3451540, 4052776, 4132765, 4487002, 4723160, 4832156, 5065970, 6040195, 6612424, 6903080, 8265530, 8974004, 9664312, 10131940, 11217505, 12080390, 15704507, 16531060, 17948008, 20263880, 22435010, 24160780, 31409014, 33062120, 44870020, 48321560, 62818028, 78522535, 89740040, 125636056, 157045070, 314090140, 628180280]

約数ペア:

[(1, 628180280), (2, 314090140), (4, 157045070), (5, 125636056), (7, 89740040), (8, 78522535), (10, 62818028), (13, 48321560), (14, 44870020), (19, 33062120), (20, 31409014), (26, 24160780), (28, 22435010), (31, 20263880), (35, 17948008), (38, 16531060), (40, 15704507), (52, 12080390), (56, 11217505), (62, 10131940), (65, 9664312), (70, 8974004), (76, 8265530), (91, 6903080), (95, 6612424), (104, 6040195), (124, 5065970), (130, 4832156), (133, 4723160), (140, 4487002), (152, 4132765), (155, 4052776), (182, 3451540), (190, 3306212), (217, 2894840), (247, 2543240), (248, 2532985), (260, 2416078), (266, 2361580), (280, 2243501), (293, 2143960), (310, 2026388), (364, 1725770), (380, 1653106), (403, 1558760), (434, 1447420), (455, 1380616), (494, 1271620), (520, 1208039), (532, 1180790), (586, 1071980), (589, 1066520), (620, 1013194), (665, 944632), (728, 862885), (760, 826553), (806, 779380), (868, 723710), (910, 690308), (988, 635810), (1064, 590395), (1085, 578968), (1172, 535990), (1178, 533260), (1235, 508648), (1240, 506597), (1330, 472316), (1465, 428792), (1612, 389690), (1729, 363320), (1736, 361855), (1820, 345154), (1976, 317905), (2015, 311752), (2051, 306280), (2170, 289484), (2344, 267995), (2356, 266630), (2470, 254324), (2660, 236158), (2821, 222680), (2930, 214396), (2945, 213304), (3224, 194845), (3458, 181660), (3640, 172577), (3809, 164920), (4030, 155876), (4102, 153140), (4123, 152360), (4340, 144742), (4712, 133315), (4940, 127162), (5320, 118079), (5567, 112840), (5642, 111340), (5860, 107198), (5890, 106652), (6916, 90830), (7618, 82460), (7657, 82040), (8060, 77938), (8204, 76570), (8246, 76180), (8645, 72664), (8680, 72371), (9083, 69160), (9880, 63581), (10255, 61256), (11134, 56420), (11284, 55670), (11720, 53599), (11780, 53326), (13832, 45415), (14105, 44536), (15236, 41230), (15314, 41020), (16120, 38969), (16408, 38285), (16492, 38090), (17290, 36332), (18166, 34580), (19045, 32984), (20510, 30628), (20615, 30472), (22268, 28210), (22568, 27835), (23560, 26663)]