73721440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 199000368

約数和(自身を除く): 125278928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 67, 80, 92, 104, 115, 130, 134, 160, 184, 208, 230, 260, 268, 299, 335, 368, 416, 460, 520, 529, 536, 598, 670, 736, 871, 920, 1040, 1058, 1072, 1196, 1340, 1495, 1541, 1742, 1840, 2080, 2116, 2144, 2392, 2645, 2680, 2990, 3082, 3484, 3680, 4232, 4355, 4784, 5290, 5360, 5980, 6164, 6877, 6968, 7705, 8464, 8710, 9568, 10580, 10720, 11960, 12328, 13754, 13936, 15410, 16928, 17420, 20033, 21160, 23920, 24656, 27508, 27872, 30820, 34385, 34840, 35443, 40066, 42320, 47840, 49312, 55016, 61640, 68770, 69680, 70886, 80132, 84640, 100165, 110032, 123280, 137540, 139360, 141772, 160264, 177215, 200330, 220064, 246560, 275080, 283544, 320528, 354430, 400660, 460759, 550160, 567088, 641056, 708860, 801320, 921518, 1100320, 1134176, 1417720, 1602640, 1843036, 2303795, 2835440, 3205280, 3686072, 4607590, 5670880, 7372144, 9215180, 14744288, 18430360, 36860720, 73721440]

約数ペア:

[(1, 73721440), (2, 36860720), (4, 18430360), (5, 14744288), (8, 9215180), (10, 7372144), (13, 5670880), (16, 4607590), (20, 3686072), (23, 3205280), (26, 2835440), (32, 2303795), (40, 1843036), (46, 1602640), (52, 1417720), (65, 1134176), (67, 1100320), (80, 921518), (92, 801320), (104, 708860), (115, 641056), (130, 567088), (134, 550160), (160, 460759), (184, 400660), (208, 354430), (230, 320528), (260, 283544), (268, 275080), (299, 246560), (335, 220064), (368, 200330), (416, 177215), (460, 160264), (520, 141772), (529, 139360), (536, 137540), (598, 123280), (670, 110032), (736, 100165), (871, 84640), (920, 80132), (1040, 70886), (1058, 69680), (1072, 68770), (1196, 61640), (1340, 55016), (1495, 49312), (1541, 47840), (1742, 42320), (1840, 40066), (2080, 35443), (2116, 34840), (2144, 34385), (2392, 30820), (2645, 27872), (2680, 27508), (2990, 24656), (3082, 23920), (3484, 21160), (3680, 20033), (4232, 17420), (4355, 16928), (4784, 15410), (5290, 13936), (5360, 13754), (5980, 12328), (6164, 11960), (6877, 10720), (6968, 10580), (7705, 9568), (8464, 8710)]