7739680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 20019636

約数和(自身を除く): 12279956

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 416, 488, 520, 610, 793, 976, 1040, 1220, 1586, 1952, 2080, 2440, 3172, 3721, 3965, 4880, 6344, 7442, 7930, 9760, 12688, 14884, 15860, 18605, 25376, 29768, 31720, 37210, 48373, 59536, 63440, 74420, 96746, 119072, 126880, 148840, 193492, 241865, 297680, 386984, 483730, 595360, 773968, 967460, 1547936, 1934920, 3869840, 7739680]

約数ペア:

[(1, 7739680), (2, 3869840), (4, 1934920), (5, 1547936), (8, 967460), (10, 773968), (13, 595360), (16, 483730), (20, 386984), (26, 297680), (32, 241865), (40, 193492), (52, 148840), (61, 126880), (65, 119072), (80, 96746), (104, 74420), (122, 63440), (130, 59536), (160, 48373), (208, 37210), (244, 31720), (260, 29768), (305, 25376), (416, 18605), (488, 15860), (520, 14884), (610, 12688), (793, 9760), (976, 7930), (1040, 7442), (1220, 6344), (1586, 4880), (1952, 3965), (2080, 3721), (2440, 3172)]