40807440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 180

約数和(自身を含む): 145558764

約数和(自身を除く): 104751324

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 157, 171, 180, 190, 228, 240, 285, 304, 314, 342, 360, 361, 380, 456, 471, 570, 628, 684, 720, 722, 760, 785, 855, 912, 942, 1083, 1140, 1256, 1368, 1413, 1444, 1520, 1570, 1710, 1805, 1884, 2166, 2280, 2355, 2512, 2736, 2826, 2888, 2983, 3140, 3249, 3420, 3610, 3768, 4332, 4560, 4710, 5415, 5652, 5776, 5966, 6280, 6498, 6840, 7065, 7220, 7536, 8664, 8949, 9420, 10830, 11304, 11932, 12560, 12996, 13680, 14130, 14440, 14915, 16245, 17328, 17898, 18840, 21660, 22608, 23864, 25992, 26847, 28260, 28880, 29830, 32490, 35796, 37680, 43320, 44745, 47728, 51984, 53694, 56520, 56677, 59660, 64980, 71592, 86640, 89490, 107388, 113040, 113354, 119320, 129960, 134235, 143184, 170031, 178980, 214776, 226708, 238640, 259920, 268470, 283385, 340062, 357960, 429552, 453416, 510093, 536940, 566770, 680124, 715920, 850155, 906832, 1020186, 1073880, 1133540, 1360248, 1700310, 2040372, 2147760, 2267080, 2550465, 2720496, 3400620, 4080744, 4534160, 5100930, 6801240, 8161488, 10201860, 13602480, 20403720, 40807440]

約数ペア:

[(1, 40807440), (2, 20403720), (3, 13602480), (4, 10201860), (5, 8161488), (6, 6801240), (8, 5100930), (9, 4534160), (10, 4080744), (12, 3400620), (15, 2720496), (16, 2550465), (18, 2267080), (19, 2147760), (20, 2040372), (24, 1700310), (30, 1360248), (36, 1133540), (38, 1073880), (40, 1020186), (45, 906832), (48, 850155), (57, 715920), (60, 680124), (72, 566770), (76, 536940), (80, 510093), (90, 453416), (95, 429552), (114, 357960), (120, 340062), (144, 283385), (152, 268470), (157, 259920), (171, 238640), (180, 226708), (190, 214776), (228, 178980), (240, 170031), (285, 143184), (304, 134235), (314, 129960), (342, 119320), (360, 113354), (361, 113040), (380, 107388), (456, 89490), (471, 86640), (570, 71592), (628, 64980), (684, 59660), (720, 56677), (722, 56520), (760, 53694), (785, 51984), (855, 47728), (912, 44745), (942, 43320), (1083, 37680), (1140, 35796), (1256, 32490), (1368, 29830), (1413, 28880), (1444, 28260), (1520, 26847), (1570, 25992), (1710, 23864), (1805, 22608), (1884, 21660), (2166, 18840), (2280, 17898), (2355, 17328), (2512, 16245), (2736, 14915), (2826, 14440), (2888, 14130), (2983, 13680), (3140, 12996), (3249, 12560), (3420, 11932), (3610, 11304), (3768, 10830), (4332, 9420), (4560, 8949), (4710, 8664), (5415, 7536), (5652, 7220), (5776, 7065), (5966, 6840), (6280, 6498)]