16838640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 240

約数和(自身を含む): 69870528

約数和(自身を除く): 53031888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 257, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 514, 520, 546, 560, 585, 624, 630, 720, 728, 771, 780, 819, 840, 910, 936, 1008, 1028, 1040, 1092, 1170, 1260, 1285, 1365, 1456, 1542, 1560, 1638, 1680, 1799, 1820, 1872, 2056, 2184, 2313, 2340, 2520, 2570, 2730, 3084, 3120, 3276, 3341, 3598, 3640, 3855, 4095, 4112, 4368, 4626, 4680, 5040, 5140, 5397, 5460, 6168, 6552, 6682, 7196, 7280, 7710, 8190, 8995, 9252, 9360, 10023, 10280, 10794, 10920, 11565, 12336, 13104, 13364, 14392, 15420, 16191, 16380, 16705, 17990, 18504, 20046, 20560, 21588, 21840, 23130, 23387, 26728, 26985, 28784, 30069, 30840, 32382, 32760, 33410, 35980, 37008, 40092, 43176, 46260, 46774, 50115, 53456, 53970, 60138, 61680, 64764, 65520, 66820, 70161, 71960, 80184, 80955, 86352, 92520, 93548, 100230, 107940, 116935, 120276, 129528, 133640, 140322, 143920, 150345, 160368, 161910, 185040, 187096, 200460, 210483, 215880, 233870, 240552, 259056, 267280, 280644, 300690, 323820, 350805, 374192, 400920, 420966, 431760, 467740, 481104, 561288, 601380, 647640, 701610, 801840, 841932, 935480, 1052415, 1122576, 1202760, 1295280, 1403220, 1683864, 1870960, 2104830, 2405520, 2806440, 3367728, 4209660, 5612880, 8419320, 16838640]

約数ペア:

[(1, 16838640), (2, 8419320), (3, 5612880), (4, 4209660), (5, 3367728), (6, 2806440), (7, 2405520), (8, 2104830), (9, 1870960), (10, 1683864), (12, 1403220), (13, 1295280), (14, 1202760), (15, 1122576), (16, 1052415), (18, 935480), (20, 841932), (21, 801840), (24, 701610), (26, 647640), (28, 601380), (30, 561288), (35, 481104), (36, 467740), (39, 431760), (40, 420966), (42, 400920), (45, 374192), (48, 350805), (52, 323820), (56, 300690), (60, 280644), (63, 267280), (65, 259056), (70, 240552), (72, 233870), (78, 215880), (80, 210483), (84, 200460), (90, 187096), (91, 185040), (104, 161910), (105, 160368), (112, 150345), (117, 143920), (120, 140322), (126, 133640), (130, 129528), (140, 120276), (144, 116935), (156, 107940), (168, 100230), (180, 93548), (182, 92520), (195, 86352), (208, 80955), (210, 80184), (234, 71960), (240, 70161), (252, 66820), (257, 65520), (260, 64764), (273, 61680), (280, 60138), (312, 53970), (315, 53456), (336, 50115), (360, 46774), (364, 46260), (390, 43176), (420, 40092), (455, 37008), (468, 35980), (504, 33410), (514, 32760), (520, 32382), (546, 30840), (560, 30069), (585, 28784), (624, 26985), (630, 26728), (720, 23387), (728, 23130), (771, 21840), (780, 21588), (819, 20560), (840, 20046), (910, 18504), (936, 17990), (1008, 16705), (1028, 16380), (1040, 16191), (1092, 15420), (1170, 14392), (1260, 13364), (1285, 13104), (1365, 12336), (1456, 11565), (1542, 10920), (1560, 10794), (1638, 10280), (1680, 10023), (1799, 9360), (1820, 9252), (1872, 8995), (2056, 8190), (2184, 7710), (2313, 7280), (2340, 7196), (2520, 6682), (2570, 6552), (2730, 6168), (3084, 5460), (3120, 5397), (3276, 5140), (3341, 5040), (3598, 4680), (3640, 4626), (3855, 4368), (4095, 4112)]