90451920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:629

約数の個数: 160

約数和(自身を含む): 308230272

約数和(自身を除く): 217778352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 120, 130, 156, 159, 195, 208, 212, 240, 260, 265, 312, 318, 390, 424, 520, 530, 547, 624, 636, 689, 780, 795, 848, 1040, 1060, 1094, 1272, 1378, 1560, 1590, 1641, 2067, 2120, 2188, 2544, 2735, 2756, 3120, 3180, 3282, 3445, 4134, 4240, 4376, 5470, 5512, 6360, 6564, 6890, 7111, 8205, 8268, 8752, 10335, 10940, 11024, 12720, 13128, 13780, 14222, 16410, 16536, 20670, 21333, 21880, 26256, 27560, 28444, 28991, 32820, 33072, 35555, 41340, 42666, 43760, 55120, 56888, 57982, 65640, 71110, 82680, 85332, 86973, 106665, 113776, 115964, 131280, 142220, 144955, 165360, 170664, 173946, 213330, 231928, 284440, 289910, 341328, 347892, 376883, 426660, 434865, 463856, 568880, 579820, 695784, 753766, 853320, 869730, 1130649, 1159640, 1391568, 1507532, 1706640, 1739460, 1884415, 2261298, 2319280, 3015064, 3478920, 3768830, 4522596, 5653245, 6030128, 6957840, 7537660, 9045192, 11306490, 15075320, 18090384, 22612980, 30150640, 45225960, 90451920]

約数ペア:

[(1, 90451920), (2, 45225960), (3, 30150640), (4, 22612980), (5, 18090384), (6, 15075320), (8, 11306490), (10, 9045192), (12, 7537660), (13, 6957840), (15, 6030128), (16, 5653245), (20, 4522596), (24, 3768830), (26, 3478920), (30, 3015064), (39, 2319280), (40, 2261298), (48, 1884415), (52, 1739460), (53, 1706640), (60, 1507532), (65, 1391568), (78, 1159640), (80, 1130649), (104, 869730), (106, 853320), (120, 753766), (130, 695784), (156, 579820), (159, 568880), (195, 463856), (208, 434865), (212, 426660), (240, 376883), (260, 347892), (265, 341328), (312, 289910), (318, 284440), (390, 231928), (424, 213330), (520, 173946), (530, 170664), (547, 165360), (624, 144955), (636, 142220), (689, 131280), (780, 115964), (795, 113776), (848, 106665), (1040, 86973), (1060, 85332), (1094, 82680), (1272, 71110), (1378, 65640), (1560, 57982), (1590, 56888), (1641, 55120), (2067, 43760), (2120, 42666), (2188, 41340), (2544, 35555), (2735, 33072), (2756, 32820), (3120, 28991), (3180, 28444), (3282, 27560), (3445, 26256), (4134, 21880), (4240, 21333), (4376, 20670), (5470, 16536), (5512, 16410), (6360, 14222), (6564, 13780), (6890, 13128), (7111, 12720), (8205, 11024), (8268, 10940), (8752, 10335)]