72431520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{21557}}^1$

素因数の和:21582

約数の個数: 96

約数和(自身を含む): 260765568

約数和(自身を除く): 188334048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 21557, 43114, 64671, 86228, 107785, 129342, 150899, 172456, 215570, 258684, 301798, 323355, 344912, 431140, 452697, 517368, 603596, 646710, 689824, 754495, 862280, 905394, 1034736, 1207192, 1293420, 1508990, 1724560, 1810788, 2069472, 2263485, 2414384, 2586840, 3017980, 3449120, 3621576, 4526970, 4828768, 5173680, 6035960, 7243152, 9053940, 10347360, 12071920, 14486304, 18107880, 24143840, 36215760, 72431520]

約数ペア:

[(1, 72431520), (2, 36215760), (3, 24143840), (4, 18107880), (5, 14486304), (6, 12071920), (7, 10347360), (8, 9053940), (10, 7243152), (12, 6035960), (14, 5173680), (15, 4828768), (16, 4526970), (20, 3621576), (21, 3449120), (24, 3017980), (28, 2586840), (30, 2414384), (32, 2263485), (35, 2069472), (40, 1810788), (42, 1724560), (48, 1508990), (56, 1293420), (60, 1207192), (70, 1034736), (80, 905394), (84, 862280), (96, 754495), (105, 689824), (112, 646710), (120, 603596), (140, 517368), (160, 452697), (168, 431140), (210, 344912), (224, 323355), (240, 301798), (280, 258684), (336, 215570), (420, 172456), (480, 150899), (560, 129342), (672, 107785), (840, 86228), (1120, 64671), (1680, 43114), (3360, 21557)]