287785680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13177}}^1$

素因数の和:13213

約数の個数: 160

約数和(自身を含む): 1098096384

約数和(自身を除く): 810310704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 13177, 21840, 26354, 39531, 52708, 65885, 79062, 92239, 105416, 131770, 158124, 171301, 184478, 197655, 210832, 263540, 276717, 316248, 342602, 368956, 395310, 461195, 513903, 527080, 553434, 632496, 685204, 737912, 790620, 856505, 922390, 1027806, 1054160, 1106868, 1199107, 1370408, 1383585, 1475824, 1581240, 1713010, 1844780, 2055612, 2213736, 2398214, 2569515, 2740816, 2767170, 3162480, 3426020, 3597321, 3689560, 4111224, 4427472, 4796428, 5139030, 5534340, 5995535, 6852040, 7194642, 7379120, 8222448, 9592856, 10278060, 11068680, 11991070, 13704080, 14389284, 17986605, 19185712, 20556120, 22137360, 23982140, 28778568, 35973210, 41112240, 47964280, 57557136, 71946420, 95928560, 143892840, 287785680]

約数ペア:

[(1, 287785680), (2, 143892840), (3, 95928560), (4, 71946420), (5, 57557136), (6, 47964280), (7, 41112240), (8, 35973210), (10, 28778568), (12, 23982140), (13, 22137360), (14, 20556120), (15, 19185712), (16, 17986605), (20, 14389284), (21, 13704080), (24, 11991070), (26, 11068680), (28, 10278060), (30, 9592856), (35, 8222448), (39, 7379120), (40, 7194642), (42, 6852040), (48, 5995535), (52, 5534340), (56, 5139030), (60, 4796428), (65, 4427472), (70, 4111224), (78, 3689560), (80, 3597321), (84, 3426020), (91, 3162480), (104, 2767170), (105, 2740816), (112, 2569515), (120, 2398214), (130, 2213736), (140, 2055612), (156, 1844780), (168, 1713010), (182, 1581240), (195, 1475824), (208, 1383585), (210, 1370408), (240, 1199107), (260, 1106868), (273, 1054160), (280, 1027806), (312, 922390), (336, 856505), (364, 790620), (390, 737912), (420, 685204), (455, 632496), (520, 553434), (546, 527080), (560, 513903), (624, 461195), (728, 395310), (780, 368956), (840, 342602), (910, 316248), (1040, 276717), (1092, 263540), (1365, 210832), (1456, 197655), (1560, 184478), (1680, 171301), (1820, 158124), (2184, 131770), (2730, 105416), (3120, 92239), (3640, 79062), (4368, 65885), (5460, 52708), (7280, 39531), (10920, 26354), (13177, 21840)]