28658760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18371}}^1$

素因数の和:18398

約数の個数: 64

約数和(自身を含む): 92594880

約数和(自身を除く): 63936120

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, 18371, 36742, 55113, 73484, 91855, 110226, 146968, 183710, 220452, 238823, 275565, 367420, 440904, 477646, 551130, 716469, 734840, 955292, 1102260, 1194115, 1432938, 1910584, 2204520, 2388230, 2865876, 3582345, 4776460, 5731752, 7164690, 9552920, 14329380, 28658760]

約数ペア:

[(1, 28658760), (2, 14329380), (3, 9552920), (4, 7164690), (5, 5731752), (6, 4776460), (8, 3582345), (10, 2865876), (12, 2388230), (13, 2204520), (15, 1910584), (20, 1432938), (24, 1194115), (26, 1102260), (30, 955292), (39, 734840), (40, 716469), (52, 551130), (60, 477646), (65, 440904), (78, 367420), (104, 275565), (120, 238823), (130, 220452), (156, 183710), (195, 146968), (260, 110226), (312, 91855), (390, 73484), (520, 55113), (780, 36742), (1560, 18371)]