81482640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 269982720

約数和(自身を除く): 188500080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 107, 114, 120, 152, 167, 190, 214, 228, 240, 285, 304, 321, 334, 380, 428, 456, 501, 535, 570, 642, 668, 760, 835, 856, 912, 1002, 1070, 1140, 1284, 1336, 1520, 1605, 1670, 1712, 2004, 2033, 2140, 2280, 2505, 2568, 2672, 3173, 3210, 3340, 4008, 4066, 4280, 4560, 5010, 5136, 6099, 6346, 6420, 6680, 8016, 8132, 8560, 9519, 10020, 10165, 12198, 12692, 12840, 13360, 15865, 16264, 17869, 19038, 20040, 20330, 24396, 25384, 25680, 30495, 31730, 32528, 35738, 38076, 40080, 40660, 47595, 48792, 50768, 53607, 60990, 63460, 71476, 76152, 81320, 89345, 95190, 97584, 107214, 121980, 126920, 142952, 152304, 162640, 178690, 190380, 214428, 243960, 253840, 268035, 285904, 339511, 357380, 380760, 428856, 487920, 536070, 679022, 714760, 761520, 857712, 1018533, 1072140, 1358044, 1429520, 1697555, 2037066, 2144280, 2716088, 3395110, 4074132, 4288560, 5092665, 5432176, 6790220, 8148264, 10185330, 13580440, 16296528, 20370660, 27160880, 40741320, 81482640]

約数ペア:

[(1, 81482640), (2, 40741320), (3, 27160880), (4, 20370660), (5, 16296528), (6, 13580440), (8, 10185330), (10, 8148264), (12, 6790220), (15, 5432176), (16, 5092665), (19, 4288560), (20, 4074132), (24, 3395110), (30, 2716088), (38, 2144280), (40, 2037066), (48, 1697555), (57, 1429520), (60, 1358044), (76, 1072140), (80, 1018533), (95, 857712), (107, 761520), (114, 714760), (120, 679022), (152, 536070), (167, 487920), (190, 428856), (214, 380760), (228, 357380), (240, 339511), (285, 285904), (304, 268035), (321, 253840), (334, 243960), (380, 214428), (428, 190380), (456, 178690), (501, 162640), (535, 152304), (570, 142952), (642, 126920), (668, 121980), (760, 107214), (835, 97584), (856, 95190), (912, 89345), (1002, 81320), (1070, 76152), (1140, 71476), (1284, 63460), (1336, 60990), (1520, 53607), (1605, 50768), (1670, 48792), (1712, 47595), (2004, 40660), (2033, 40080), (2140, 38076), (2280, 35738), (2505, 32528), (2568, 31730), (2672, 30495), (3173, 25680), (3210, 25384), (3340, 24396), (4008, 20330), (4066, 20040), (4280, 19038), (4560, 17869), (5010, 16264), (5136, 15865), (6099, 13360), (6346, 12840), (6420, 12692), (6680, 12198), (8016, 10165), (8132, 10020), (8560, 9519)]