283920

素因数分解:

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

素因数の和:49

約数の個数: 120

約数和(自身を含む): 1089216

約数和(自身を除く): 805296

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, 169, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 338, 364, 390, 420, 455, 507, 520, 546, 560, 624, 676, 728, 780, 840, 845, 910, 1014, 1040, 1092, 1183, 1352, 1365, 1456, 1560, 1680, 1690, 1820, 2028, 2184, 2366, 2535, 2704, 2730, 3120, 3380, 3549, 3640, 4056, 4368, 4732, 5070, 5460, 5915, 6760, 7098, 7280, 8112, 9464, 10140, 10920, 11830, 13520, 14196, 17745, 18928, 20280, 21840, 23660, 28392, 35490, 40560, 47320, 56784, 70980, 94640, 141960, 283920]

約数ペア:

[(1, 283920), (2, 141960), (3, 94640), (4, 70980), (5, 56784), (6, 47320), (7, 40560), (8, 35490), (10, 28392), (12, 23660), (13, 21840), (14, 20280), (15, 18928), (16, 17745), (20, 14196), (21, 13520), (24, 11830), (26, 10920), (28, 10140), (30, 9464), (35, 8112), (39, 7280), (40, 7098), (42, 6760), (48, 5915), (52, 5460), (56, 5070), (60, 4732), (65, 4368), (70, 4056), (78, 3640), (80, 3549), (84, 3380), (91, 3120), (104, 2730), (105, 2704), (112, 2535), (120, 2366), (130, 2184), (140, 2028), (156, 1820), (168, 1690), (169, 1680), (182, 1560), (195, 1456), (208, 1365), (210, 1352), (240, 1183), (260, 1092), (273, 1040), (280, 1014), (312, 910), (336, 845), (338, 840), (364, 780), (390, 728), (420, 676), (455, 624), (507, 560), (520, 546)]