1277640

素因数分解:

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

素因数の和:53

約数の個数: 192

約数和(自身を含む): 5270400

約数和(自身を除く): 3992760

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, 169, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 338, 351, 360, 364, 378, 390, 420, 455, 468, 504, 507, 520, 540, 546, 585, 630, 676, 702, 728, 756, 780, 819, 840, 845, 910, 936, 945, 1014, 1080, 1092, 1170, 1183, 1260, 1352, 1365, 1404, 1512, 1521, 1560, 1638, 1690, 1755, 1820, 1890, 2028, 2184, 2340, 2366, 2457, 2520, 2535, 2730, 2808, 3042, 3276, 3380, 3510, 3549, 3640, 3780, 4056, 4095, 4563, 4680, 4732, 4914, 5070, 5460, 5915, 6084, 6552, 6760, 7020, 7098, 7560, 7605, 8190, 9126, 9464, 9828, 10140, 10647, 10920, 11830, 12168, 12285, 14040, 14196, 15210, 16380, 17745, 18252, 19656, 20280, 21294, 22815, 23660, 24570, 28392, 30420, 31941, 32760, 35490, 36504, 42588, 45630, 47320, 49140, 53235, 60840, 63882, 70980, 85176, 91260, 98280, 106470, 127764, 141960, 159705, 182520, 212940, 255528, 319410, 425880, 638820, 1277640]

約数ペア:

[(1, 1277640), (2, 638820), (3, 425880), (4, 319410), (5, 255528), (6, 212940), (7, 182520), (8, 159705), (9, 141960), (10, 127764), (12, 106470), (13, 98280), (14, 91260), (15, 85176), (18, 70980), (20, 63882), (21, 60840), (24, 53235), (26, 49140), (27, 47320), (28, 45630), (30, 42588), (35, 36504), (36, 35490), (39, 32760), (40, 31941), (42, 30420), (45, 28392), (52, 24570), (54, 23660), (56, 22815), (60, 21294), (63, 20280), (65, 19656), (70, 18252), (72, 17745), (78, 16380), (84, 15210), (90, 14196), (91, 14040), (104, 12285), (105, 12168), (108, 11830), (117, 10920), (120, 10647), (126, 10140), (130, 9828), (135, 9464), (140, 9126), (156, 8190), (168, 7605), (169, 7560), (180, 7098), (182, 7020), (189, 6760), (195, 6552), (210, 6084), (216, 5915), (234, 5460), (252, 5070), (260, 4914), (270, 4732), (273, 4680), (280, 4563), (312, 4095), (315, 4056), (338, 3780), (351, 3640), (360, 3549), (364, 3510), (378, 3380), (390, 3276), (420, 3042), (455, 2808), (468, 2730), (504, 2535), (507, 2520), (520, 2457), (540, 2366), (546, 2340), (585, 2184), (630, 2028), (676, 1890), (702, 1820), (728, 1755), (756, 1690), (780, 1638), (819, 1560), (840, 1521), (845, 1512), (910, 1404), (936, 1365), (945, 1352), (1014, 1260), (1080, 1183), (1092, 1170)]