16526580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 56327040

約数和(自身を除く): 39800460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 109, 114, 133, 140, 190, 210, 218, 228, 266, 285, 327, 361, 380, 399, 420, 436, 532, 545, 570, 654, 665, 722, 763, 798, 1083, 1090, 1140, 1308, 1330, 1444, 1526, 1596, 1635, 1805, 1995, 2071, 2166, 2180, 2289, 2527, 2660, 3052, 3270, 3610, 3815, 3990, 4142, 4332, 4578, 5054, 5415, 6213, 6540, 7220, 7581, 7630, 7980, 8284, 9156, 10108, 10355, 10830, 11445, 12426, 12635, 14497, 15162, 15260, 20710, 21660, 22890, 24852, 25270, 28994, 30324, 31065, 37905, 39349, 41420, 43491, 45780, 50540, 57988, 62130, 72485, 75810, 78698, 86982, 118047, 124260, 144970, 151620, 157396, 173964, 196745, 217455, 236094, 275443, 289940, 393490, 434910, 472188, 550886, 590235, 786980, 826329, 869820, 1101772, 1180470, 1377215, 1652658, 2360940, 2754430, 3305316, 4131645, 5508860, 8263290, 16526580]

約数ペア:

[(1, 16526580), (2, 8263290), (3, 5508860), (4, 4131645), (5, 3305316), (6, 2754430), (7, 2360940), (10, 1652658), (12, 1377215), (14, 1180470), (15, 1101772), (19, 869820), (20, 826329), (21, 786980), (28, 590235), (30, 550886), (35, 472188), (38, 434910), (42, 393490), (57, 289940), (60, 275443), (70, 236094), (76, 217455), (84, 196745), (95, 173964), (105, 157396), (109, 151620), (114, 144970), (133, 124260), (140, 118047), (190, 86982), (210, 78698), (218, 75810), (228, 72485), (266, 62130), (285, 57988), (327, 50540), (361, 45780), (380, 43491), (399, 41420), (420, 39349), (436, 37905), (532, 31065), (545, 30324), (570, 28994), (654, 25270), (665, 24852), (722, 22890), (763, 21660), (798, 20710), (1083, 15260), (1090, 15162), (1140, 14497), (1308, 12635), (1330, 12426), (1444, 11445), (1526, 10830), (1596, 10355), (1635, 10108), (1805, 9156), (1995, 8284), (2071, 7980), (2166, 7630), (2180, 7581), (2289, 7220), (2527, 6540), (2660, 6213), (3052, 5415), (3270, 5054), (3610, 4578), (3815, 4332), (3990, 4142)]