31975320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 104832000

約数和(自身を除く): 72856680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 130, 156, 195, 199, 206, 260, 309, 312, 390, 398, 412, 515, 520, 597, 618, 780, 796, 824, 995, 1030, 1194, 1236, 1339, 1545, 1560, 1592, 1990, 2060, 2388, 2472, 2587, 2678, 2985, 3090, 3980, 4017, 4120, 4776, 5174, 5356, 5970, 6180, 6695, 7761, 7960, 8034, 10348, 10712, 11940, 12360, 12935, 13390, 15522, 16068, 20085, 20497, 20696, 23880, 25870, 26780, 31044, 32136, 38805, 40170, 40994, 51740, 53560, 61491, 62088, 77610, 80340, 81988, 102485, 103480, 122982, 155220, 160680, 163976, 204970, 245964, 266461, 307455, 310440, 409940, 491928, 532922, 614910, 799383, 819880, 1065844, 1229820, 1332305, 1598766, 2131688, 2459640, 2664610, 3197532, 3996915, 5329220, 6395064, 7993830, 10658440, 15987660, 31975320]

約数ペア:

[(1, 31975320), (2, 15987660), (3, 10658440), (4, 7993830), (5, 6395064), (6, 5329220), (8, 3996915), (10, 3197532), (12, 2664610), (13, 2459640), (15, 2131688), (20, 1598766), (24, 1332305), (26, 1229820), (30, 1065844), (39, 819880), (40, 799383), (52, 614910), (60, 532922), (65, 491928), (78, 409940), (103, 310440), (104, 307455), (120, 266461), (130, 245964), (156, 204970), (195, 163976), (199, 160680), (206, 155220), (260, 122982), (309, 103480), (312, 102485), (390, 81988), (398, 80340), (412, 77610), (515, 62088), (520, 61491), (597, 53560), (618, 51740), (780, 40994), (796, 40170), (824, 38805), (995, 32136), (1030, 31044), (1194, 26780), (1236, 25870), (1339, 23880), (1545, 20696), (1560, 20497), (1592, 20085), (1990, 16068), (2060, 15522), (2388, 13390), (2472, 12935), (2587, 12360), (2678, 11940), (2985, 10712), (3090, 10348), (3980, 8034), (4017, 7960), (4120, 7761), (4776, 6695), (5174, 6180), (5356, 5970)]