320294520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3259}}^1$

素因数の和:3299

約数の個数: 256

約数和(自身を含む): 1314432000

約数和(自身を除く): 994137480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3259, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6518, 6552, 7020, 7560, 8190, 9777, 9828, 10920, 12285, 13036, 14040, 16295, 16380, 19554, 19656, 22813, 24570, 26072, 29331, 32590, 32760, 39108, 42367, 45626, 48885, 49140, 58662, 65180, 68439, 78216, 84734, 87993, 91252, 97770, 98280, 114065, 117324, 127101, 130360, 136878, 146655, 169468, 175986, 182504, 195540, 205317, 211835, 228130, 234648, 254202, 273756, 293310, 296569, 338936, 342195, 351972, 381303, 391080, 410634, 423670, 439965, 456260, 508404, 547512, 586620, 593138, 615951, 635505, 684390, 703944, 762606, 821268, 847340, 879930, 889707, 912520, 1016808, 1026585, 1143909, 1173240, 1186276, 1231902, 1271010, 1368780, 1482845, 1525212, 1642536, 1694680, 1759860, 1779414, 1906515, 2053170, 2287818, 2372552, 2463804, 2542020, 2669121, 2737560, 2965690, 3050424, 3079755, 3519720, 3558828, 3813030, 4106340, 4448535, 4575636, 4927608, 5084040, 5338242, 5719545, 5931380, 6159510, 7117656, 7626060, 8007363, 8212680, 8897070, 9151272, 10676484, 11439090, 11862760, 12319020, 13345605, 15252120, 16014726, 17794140, 21352968, 22878180, 24638040, 26691210, 32029452, 35588280, 40036815, 45756360, 53382420, 64058904, 80073630, 106764840, 160147260, 320294520]

約数ペア:

[(1, 320294520), (2, 160147260), (3, 106764840), (4, 80073630), (5, 64058904), (6, 53382420), (7, 45756360), (8, 40036815), (9, 35588280), (10, 32029452), (12, 26691210), (13, 24638040), (14, 22878180), (15, 21352968), (18, 17794140), (20, 16014726), (21, 15252120), (24, 13345605), (26, 12319020), (27, 11862760), (28, 11439090), (30, 10676484), (35, 9151272), (36, 8897070), (39, 8212680), (40, 8007363), (42, 7626060), (45, 7117656), (52, 6159510), (54, 5931380), (56, 5719545), (60, 5338242), (63, 5084040), (65, 4927608), (70, 4575636), (72, 4448535), (78, 4106340), (84, 3813030), (90, 3558828), (91, 3519720), (104, 3079755), (105, 3050424), (108, 2965690), (117, 2737560), (120, 2669121), (126, 2542020), (130, 2463804), (135, 2372552), (140, 2287818), (156, 2053170), (168, 1906515), (180, 1779414), (182, 1759860), (189, 1694680), (195, 1642536), (210, 1525212), (216, 1482845), (234, 1368780), (252, 1271010), (260, 1231902), (270, 1186276), (273, 1173240), (280, 1143909), (312, 1026585), (315, 1016808), (351, 912520), (360, 889707), (364, 879930), (378, 847340), (390, 821268), (420, 762606), (455, 703944), (468, 684390), (504, 635505), (520, 615951), (540, 593138), (546, 586620), (585, 547512), (630, 508404), (702, 456260), (728, 439965), (756, 423670), (780, 410634), (819, 391080), (840, 381303), (910, 351972), (936, 342195), (945, 338936), (1080, 296569), (1092, 293310), (1170, 273756), (1260, 254202), (1365, 234648), (1404, 228130), (1512, 211835), (1560, 205317), (1638, 195540), (1755, 182504), (1820, 175986), (1890, 169468), (2184, 146655), (2340, 136878), (2457, 130360), (2520, 127101), (2730, 117324), (2808, 114065), (3259, 98280), (3276, 97770), (3510, 91252), (3640, 87993), (3780, 84734), (4095, 78216), (4680, 68439), (4914, 65180), (5460, 58662), (6518, 49140), (6552, 48885), (7020, 45626), (7560, 42367), (8190, 39108), (9777, 32760), (9828, 32590), (10920, 29331), (12285, 26072), (13036, 24570), (14040, 22813), (16295, 19656), (16380, 19554)]