259730080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 672602616

約数和(自身を除く): 412872536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 137, 160, 164, 170, 205, 272, 274, 289, 328, 340, 410, 544, 548, 578, 656, 680, 685, 697, 820, 1096, 1156, 1312, 1360, 1370, 1394, 1445, 1640, 2192, 2312, 2329, 2720, 2740, 2788, 2890, 3280, 3485, 4384, 4624, 4658, 5480, 5576, 5617, 5780, 6560, 6970, 9248, 9316, 10960, 11152, 11234, 11560, 11645, 11849, 13940, 18632, 21920, 22304, 22468, 23120, 23290, 23698, 27880, 28085, 37264, 39593, 44936, 46240, 46580, 47396, 55760, 56170, 59245, 74528, 79186, 89872, 93160, 94792, 95489, 111520, 112340, 118490, 158372, 179744, 186320, 189584, 190978, 197965, 224680, 236980, 316744, 372640, 379168, 381956, 395930, 449360, 473960, 477445, 633488, 763912, 791860, 898720, 947920, 954890, 1266976, 1527824, 1583720, 1623313, 1895840, 1909780, 3055648, 3167440, 3246626, 3819560, 6334880, 6493252, 7639120, 8116565, 12986504, 15278240, 16233130, 25973008, 32466260, 51946016, 64932520, 129865040, 259730080]

約数ペア:

[(1, 259730080), (2, 129865040), (4, 64932520), (5, 51946016), (8, 32466260), (10, 25973008), (16, 16233130), (17, 15278240), (20, 12986504), (32, 8116565), (34, 7639120), (40, 6493252), (41, 6334880), (68, 3819560), (80, 3246626), (82, 3167440), (85, 3055648), (136, 1909780), (137, 1895840), (160, 1623313), (164, 1583720), (170, 1527824), (205, 1266976), (272, 954890), (274, 947920), (289, 898720), (328, 791860), (340, 763912), (410, 633488), (544, 477445), (548, 473960), (578, 449360), (656, 395930), (680, 381956), (685, 379168), (697, 372640), (820, 316744), (1096, 236980), (1156, 224680), (1312, 197965), (1360, 190978), (1370, 189584), (1394, 186320), (1445, 179744), (1640, 158372), (2192, 118490), (2312, 112340), (2329, 111520), (2720, 95489), (2740, 94792), (2788, 93160), (2890, 89872), (3280, 79186), (3485, 74528), (4384, 59245), (4624, 56170), (4658, 55760), (5480, 47396), (5576, 46580), (5617, 46240), (5780, 44936), (6560, 39593), (6970, 37264), (9248, 28085), (9316, 27880), (10960, 23698), (11152, 23290), (11234, 23120), (11560, 22468), (11645, 22304), (11849, 21920), (13940, 18632)]