65257440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 215723088

約数和(自身を除く): 150465648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 257, 276, 345, 368, 460, 480, 514, 529, 552, 690, 736, 771, 920, 1028, 1058, 1104, 1285, 1380, 1542, 1587, 1840, 2056, 2116, 2208, 2570, 2645, 2760, 3084, 3174, 3680, 3855, 4112, 4232, 5140, 5290, 5520, 5911, 6168, 6348, 7710, 7935, 8224, 8464, 10280, 10580, 11040, 11822, 12336, 12696, 15420, 15870, 16928, 17733, 20560, 21160, 23644, 24672, 25392, 29555, 30840, 31740, 35466, 41120, 42320, 47288, 50784, 59110, 61680, 63480, 70932, 84640, 88665, 94576, 118220, 123360, 126960, 135953, 141864, 177330, 189152, 236440, 253920, 271906, 283728, 354660, 407859, 472880, 543812, 567456, 679765, 709320, 815718, 945760, 1087624, 1359530, 1418640, 1631436, 2039295, 2175248, 2719060, 2837280, 3262872, 4078590, 4350496, 5438120, 6525744, 8157180, 10876240, 13051488, 16314360, 21752480, 32628720, 65257440]

約数ペア:

[(1, 65257440), (2, 32628720), (3, 21752480), (4, 16314360), (5, 13051488), (6, 10876240), (8, 8157180), (10, 6525744), (12, 5438120), (15, 4350496), (16, 4078590), (20, 3262872), (23, 2837280), (24, 2719060), (30, 2175248), (32, 2039295), (40, 1631436), (46, 1418640), (48, 1359530), (60, 1087624), (69, 945760), (80, 815718), (92, 709320), (96, 679765), (115, 567456), (120, 543812), (138, 472880), (160, 407859), (184, 354660), (230, 283728), (240, 271906), (257, 253920), (276, 236440), (345, 189152), (368, 177330), (460, 141864), (480, 135953), (514, 126960), (529, 123360), (552, 118220), (690, 94576), (736, 88665), (771, 84640), (920, 70932), (1028, 63480), (1058, 61680), (1104, 59110), (1285, 50784), (1380, 47288), (1542, 42320), (1587, 41120), (1840, 35466), (2056, 31740), (2116, 30840), (2208, 29555), (2570, 25392), (2645, 24672), (2760, 23644), (3084, 21160), (3174, 20560), (3680, 17733), (3855, 16928), (4112, 15870), (4232, 15420), (5140, 12696), (5290, 12336), (5520, 11822), (5911, 11040), (6168, 10580), (6348, 10280), (7710, 8464), (7935, 8224)]