668445960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1568

約数の個数: 256

約数和(自身を含む): 2529999360

約数和(自身を除く): 1861553400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 41, 42, 52, 56, 60, 65, 70, 78, 82, 84, 91, 104, 105, 120, 123, 130, 140, 156, 164, 168, 182, 195, 205, 210, 246, 260, 273, 280, 287, 312, 328, 364, 390, 410, 420, 455, 492, 520, 533, 546, 574, 615, 728, 780, 820, 840, 861, 910, 984, 1066, 1092, 1148, 1230, 1365, 1435, 1493, 1560, 1599, 1640, 1722, 1820, 2132, 2184, 2296, 2460, 2665, 2730, 2870, 2986, 3198, 3444, 3640, 3731, 4264, 4305, 4479, 4920, 5330, 5460, 5740, 5972, 6396, 6888, 7462, 7465, 7995, 8610, 8958, 10451, 10660, 10920, 11193, 11480, 11944, 12792, 14924, 14930, 15990, 17220, 17916, 18655, 19409, 20902, 21320, 22386, 22395, 29848, 29860, 31353, 31980, 34440, 35832, 37310, 38818, 41804, 44772, 44790, 52255, 55965, 58227, 59720, 61213, 62706, 63960, 74620, 77636, 83608, 89544, 89580, 97045, 104510, 111930, 116454, 122426, 125412, 135863, 149240, 155272, 156765, 179160, 183639, 194090, 209020, 223860, 232908, 244852, 250824, 271726, 291135, 306065, 313530, 367278, 388180, 407589, 418040, 428491, 447720, 465816, 489704, 543452, 582270, 612130, 627060, 679315, 734556, 776360, 795769, 815178, 856982, 918195, 1086904, 1164540, 1224260, 1254120, 1285473, 1358630, 1469112, 1591538, 1630356, 1713964, 1836390, 2037945, 2142455, 2329080, 2387307, 2448520, 2570946, 2717260, 3183076, 3260712, 3427928, 3672780, 3978845, 4075890, 4284910, 4774614, 5141892, 5434520, 5570383, 6366152, 6427365, 7345560, 7957690, 8151780, 8569820, 9549228, 10283784, 11140766, 11936535, 12854730, 15915380, 16303560, 16711149, 17139640, 19098456, 22281532, 23873070, 25709460, 27851915, 31830760, 33422298, 44563064, 47746140, 51418920, 55703830, 66844596, 83555745, 95492280, 111407660, 133689192, 167111490, 222815320, 334222980, 668445960]

約数ペア:

[(1, 668445960), (2, 334222980), (3, 222815320), (4, 167111490), (5, 133689192), (6, 111407660), (7, 95492280), (8, 83555745), (10, 66844596), (12, 55703830), (13, 51418920), (14, 47746140), (15, 44563064), (20, 33422298), (21, 31830760), (24, 27851915), (26, 25709460), (28, 23873070), (30, 22281532), (35, 19098456), (39, 17139640), (40, 16711149), (41, 16303560), (42, 15915380), (52, 12854730), (56, 11936535), (60, 11140766), (65, 10283784), (70, 9549228), (78, 8569820), (82, 8151780), (84, 7957690), (91, 7345560), (104, 6427365), (105, 6366152), (120, 5570383), (123, 5434520), (130, 5141892), (140, 4774614), (156, 4284910), (164, 4075890), (168, 3978845), (182, 3672780), (195, 3427928), (205, 3260712), (210, 3183076), (246, 2717260), (260, 2570946), (273, 2448520), (280, 2387307), (287, 2329080), (312, 2142455), (328, 2037945), (364, 1836390), (390, 1713964), (410, 1630356), (420, 1591538), (455, 1469112), (492, 1358630), (520, 1285473), (533, 1254120), (546, 1224260), (574, 1164540), (615, 1086904), (728, 918195), (780, 856982), (820, 815178), (840, 795769), (861, 776360), (910, 734556), (984, 679315), (1066, 627060), (1092, 612130), (1148, 582270), (1230, 543452), (1365, 489704), (1435, 465816), (1493, 447720), (1560, 428491), (1599, 418040), (1640, 407589), (1722, 388180), (1820, 367278), (2132, 313530), (2184, 306065), (2296, 291135), (2460, 271726), (2665, 250824), (2730, 244852), (2870, 232908), (2986, 223860), (3198, 209020), (3444, 194090), (3640, 183639), (3731, 179160), (4264, 156765), (4305, 155272), (4479, 149240), (4920, 135863), (5330, 125412), (5460, 122426), (5740, 116454), (5972, 111930), (6396, 104510), (6888, 97045), (7462, 89580), (7465, 89544), (7995, 83608), (8610, 77636), (8958, 74620), (10451, 63960), (10660, 62706), (10920, 61213), (11193, 59720), (11480, 58227), (11944, 55965), (12792, 52255), (14924, 44790), (14930, 44772), (15990, 41804), (17220, 38818), (17916, 37310), (18655, 35832), (19409, 34440), (20902, 31980), (21320, 31353), (22386, 29860), (22395, 29848)]