68607760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1676

約数の個数: 80

約数和(自身を含む): 176082480

約数和(自身を除く): 107474720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1609, 1640, 2132, 2665, 3218, 3280, 4264, 5330, 6436, 8045, 8528, 10660, 12872, 16090, 20917, 21320, 25744, 32180, 41834, 42640, 64360, 65969, 83668, 104585, 128720, 131938, 167336, 209170, 263876, 329845, 334672, 418340, 527752, 659690, 836680, 857597, 1055504, 1319380, 1673360, 1715194, 2638760, 3430388, 4287985, 5277520, 6860776, 8575970, 13721552, 17151940, 34303880, 68607760]

約数ペア:

[(1, 68607760), (2, 34303880), (4, 17151940), (5, 13721552), (8, 8575970), (10, 6860776), (13, 5277520), (16, 4287985), (20, 3430388), (26, 2638760), (40, 1715194), (41, 1673360), (52, 1319380), (65, 1055504), (80, 857597), (82, 836680), (104, 659690), (130, 527752), (164, 418340), (205, 334672), (208, 329845), (260, 263876), (328, 209170), (410, 167336), (520, 131938), (533, 128720), (656, 104585), (820, 83668), (1040, 65969), (1066, 64360), (1609, 42640), (1640, 41834), (2132, 32180), (2665, 25744), (3218, 21320), (3280, 20917), (4264, 16090), (5330, 12872), (6436, 10660), (8045, 8528)]