28390440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18199}}^1$

素因数の和:18226

約数の個数: 64

約数和(自身を含む): 91728000

約数和(自身を除く): 63337560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18199, 36398, 54597, 72796, 90995, 109194, 145592, 181990, 218388, 236587, 272985, 363980, 436776, 473174, 545970, 709761, 727960, 946348, 1091940, 1182935, 1419522, 1892696, 2183880, 2365870, 2839044, 3548805, 4731740, 5678088, 7097610, 9463480, 14195220, 28390440]

約数ペア:

[(1, 28390440), (2, 14195220), (3, 9463480), (4, 7097610), (5, 5678088), (6, 4731740), (8, 3548805), (10, 2839044), (12, 2365870), (13, 2183880), (15, 1892696), (20, 1419522), (24, 1182935), (26, 1091940), (30, 946348), (39, 727960), (40, 709761), (52, 545970), (60, 473174), (65, 436776), (78, 363980), (104, 272985), (120, 236587), (130, 218388), (156, 181990), (195, 145592), (260, 109194), (312, 90995), (390, 72796), (520, 54597), (780, 36398), (1560, 18199)]