28447380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12157}}^1$

素因数の和:12185

約数の個数: 72

約数和(自身を含む): 92935752

約数和(自身を除く): 64488372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12157, 24314, 36471, 48628, 60785, 72942, 109413, 121570, 145884, 158041, 182355, 218826, 243140, 316082, 364710, 437652, 474123, 547065, 632164, 729420, 790205, 948246, 1094130, 1422369, 1580410, 1896492, 2188260, 2370615, 2844738, 3160820, 4741230, 5689476, 7111845, 9482460, 14223690, 28447380]

約数ペア:

[(1, 28447380), (2, 14223690), (3, 9482460), (4, 7111845), (5, 5689476), (6, 4741230), (9, 3160820), (10, 2844738), (12, 2370615), (13, 2188260), (15, 1896492), (18, 1580410), (20, 1422369), (26, 1094130), (30, 948246), (36, 790205), (39, 729420), (45, 632164), (52, 547065), (60, 474123), (65, 437652), (78, 364710), (90, 316082), (117, 243140), (130, 218826), (156, 182355), (180, 158041), (195, 145884), (234, 121570), (260, 109413), (390, 72942), (468, 60785), (585, 48628), (780, 36471), (1170, 24314), (2340, 12157)]