77882780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 183399552

約数和(自身を除く): 105516772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 41, 68, 74, 82, 85, 148, 151, 164, 170, 185, 205, 302, 340, 370, 410, 604, 629, 697, 740, 755, 820, 1258, 1394, 1510, 1517, 2516, 2567, 2788, 3020, 3034, 3145, 3485, 5134, 5587, 6068, 6191, 6290, 6970, 7585, 10268, 11174, 12382, 12580, 12835, 13940, 15170, 22348, 24764, 25670, 25789, 27935, 30340, 30955, 51340, 51578, 55870, 61910, 94979, 103156, 105247, 111740, 123820, 128945, 189958, 210494, 229067, 257890, 379916, 420988, 458134, 474895, 515780, 526235, 916268, 949790, 1052470, 1145335, 1899580, 2104940, 2290670, 3894139, 4581340, 7788278, 15576556, 19470695, 38941390, 77882780]

約数ペア:

[(1, 77882780), (2, 38941390), (4, 19470695), (5, 15576556), (10, 7788278), (17, 4581340), (20, 3894139), (34, 2290670), (37, 2104940), (41, 1899580), (68, 1145335), (74, 1052470), (82, 949790), (85, 916268), (148, 526235), (151, 515780), (164, 474895), (170, 458134), (185, 420988), (205, 379916), (302, 257890), (340, 229067), (370, 210494), (410, 189958), (604, 128945), (629, 123820), (697, 111740), (740, 105247), (755, 103156), (820, 94979), (1258, 61910), (1394, 55870), (1510, 51578), (1517, 51340), (2516, 30955), (2567, 30340), (2788, 27935), (3020, 25789), (3034, 25670), (3145, 24764), (3485, 22348), (5134, 15170), (5587, 13940), (6068, 12835), (6191, 12580), (6290, 12382), (6970, 11174), (7585, 10268)]