209966640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:591

約数の個数: 160

約数和(自身を含む): 706829760

約数和(自身を除く): 496863120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 173, 195, 208, 240, 260, 312, 346, 389, 390, 519, 520, 624, 692, 778, 780, 865, 1038, 1040, 1167, 1384, 1556, 1560, 1730, 1945, 2076, 2249, 2334, 2595, 2768, 3112, 3120, 3460, 3890, 4152, 4498, 4668, 5057, 5190, 5835, 6224, 6747, 6920, 7780, 8304, 8996, 9336, 10114, 10380, 11245, 11670, 13494, 13840, 15171, 15560, 17992, 18672, 20228, 20760, 22490, 23340, 25285, 26988, 30342, 31120, 33735, 35984, 40456, 41520, 44980, 46680, 50570, 53976, 60684, 67297, 67470, 75855, 80912, 89960, 93360, 101140, 107952, 121368, 134594, 134940, 151710, 179920, 201891, 202280, 242736, 269188, 269880, 303420, 336485, 403782, 404560, 538376, 539760, 606840, 672970, 807564, 874861, 1009455, 1076752, 1213680, 1345940, 1615128, 1749722, 2018910, 2624583, 2691880, 3230256, 3499444, 4037820, 4374305, 5249166, 5383760, 6998888, 8075640, 8748610, 10498332, 13122915, 13997776, 16151280, 17497220, 20996664, 26245830, 34994440, 41993328, 52491660, 69988880, 104983320, 209966640]

約数ペア:

[(1, 209966640), (2, 104983320), (3, 69988880), (4, 52491660), (5, 41993328), (6, 34994440), (8, 26245830), (10, 20996664), (12, 17497220), (13, 16151280), (15, 13997776), (16, 13122915), (20, 10498332), (24, 8748610), (26, 8075640), (30, 6998888), (39, 5383760), (40, 5249166), (48, 4374305), (52, 4037820), (60, 3499444), (65, 3230256), (78, 2691880), (80, 2624583), (104, 2018910), (120, 1749722), (130, 1615128), (156, 1345940), (173, 1213680), (195, 1076752), (208, 1009455), (240, 874861), (260, 807564), (312, 672970), (346, 606840), (389, 539760), (390, 538376), (519, 404560), (520, 403782), (624, 336485), (692, 303420), (778, 269880), (780, 269188), (865, 242736), (1038, 202280), (1040, 201891), (1167, 179920), (1384, 151710), (1556, 134940), (1560, 134594), (1730, 121368), (1945, 107952), (2076, 101140), (2249, 93360), (2334, 89960), (2595, 80912), (2768, 75855), (3112, 67470), (3120, 67297), (3460, 60684), (3890, 53976), (4152, 50570), (4498, 46680), (4668, 44980), (5057, 41520), (5190, 40456), (5835, 35984), (6224, 33735), (6747, 31120), (6920, 30342), (7780, 26988), (8304, 25285), (8996, 23340), (9336, 22490), (10114, 20760), (10380, 20228), (11245, 18672), (11670, 17992), (13494, 15560), (13840, 15171)]