425880

素因数分解:

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

素因数の和:50

約数の個数: 144

約数和(自身を含む): 1712880

約数和(自身を除く): 1287000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 169, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 338, 360, 364, 390, 420, 455, 468, 504, 507, 520, 546, 585, 630, 676, 728, 780, 819, 840, 845, 910, 936, 1014, 1092, 1170, 1183, 1260, 1352, 1365, 1521, 1560, 1638, 1690, 1820, 2028, 2184, 2340, 2366, 2520, 2535, 2730, 3042, 3276, 3380, 3549, 3640, 4056, 4095, 4680, 4732, 5070, 5460, 5915, 6084, 6552, 6760, 7098, 7605, 8190, 9464, 10140, 10647, 10920, 11830, 12168, 14196, 15210, 16380, 17745, 20280, 21294, 23660, 28392, 30420, 32760, 35490, 42588, 47320, 53235, 60840, 70980, 85176, 106470, 141960, 212940, 425880]

約数ペア:

[(1, 425880), (2, 212940), (3, 141960), (4, 106470), (5, 85176), (6, 70980), (7, 60840), (8, 53235), (9, 47320), (10, 42588), (12, 35490), (13, 32760), (14, 30420), (15, 28392), (18, 23660), (20, 21294), (21, 20280), (24, 17745), (26, 16380), (28, 15210), (30, 14196), (35, 12168), (36, 11830), (39, 10920), (40, 10647), (42, 10140), (45, 9464), (52, 8190), (56, 7605), (60, 7098), (63, 6760), (65, 6552), (70, 6084), (72, 5915), (78, 5460), (84, 5070), (90, 4732), (91, 4680), (104, 4095), (105, 4056), (117, 3640), (120, 3549), (126, 3380), (130, 3276), (140, 3042), (156, 2730), (168, 2535), (169, 2520), (180, 2366), (182, 2340), (195, 2184), (210, 2028), (234, 1820), (252, 1690), (260, 1638), (273, 1560), (280, 1521), (312, 1365), (315, 1352), (338, 1260), (360, 1183), (364, 1170), (390, 1092), (420, 1014), (455, 936), (468, 910), (504, 845), (507, 840), (520, 819), (546, 780), (585, 728), (630, 676)]