1223372280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{784213}}^1$

素因数の和:784240

約数の個数: 64

約数和(自身を含む): 3952438560

約数和(自身を除く): 2729066280

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, 784213, 1568426, 2352639, 3136852, 3921065, 4705278, 6273704, 7842130, 9410556, 10194769, 11763195, 15684260, 18821112, 20389538, 23526390, 30584307, 31368520, 40779076, 47052780, 50973845, 61168614, 81558152, 94105560, 101947690, 122337228, 152921535, 203895380, 244674456, 305843070, 407790760, 611686140, 1223372280]

約数ペア:

[(1, 1223372280), (2, 611686140), (3, 407790760), (4, 305843070), (5, 244674456), (6, 203895380), (8, 152921535), (10, 122337228), (12, 101947690), (13, 94105560), (15, 81558152), (20, 61168614), (24, 50973845), (26, 47052780), (30, 40779076), (39, 31368520), (40, 30584307), (52, 23526390), (60, 20389538), (65, 18821112), (78, 15684260), (104, 11763195), (120, 10194769), (130, 9410556), (156, 7842130), (195, 6273704), (260, 4705278), (312, 3921065), (390, 3136852), (520, 2352639), (780, 1568426), (1560, 784213)]