28213380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4019}}^1$

素因数の和:4050

約数の個数: 96

約数和(自身を含む): 94550400

約数和(自身を除く): 66337020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 4019, 7020, 8038, 12057, 16076, 20095, 24114, 36171, 40190, 48228, 52247, 60285, 72342, 80380, 104494, 108513, 120570, 144684, 156741, 180855, 208988, 217026, 241140, 261235, 313482, 361710, 434052, 470223, 522470, 542565, 626964, 723420, 783705, 940446, 1044940, 1085130, 1410669, 1567410, 1880892, 2170260, 2351115, 2821338, 3134820, 4702230, 5642676, 7053345, 9404460, 14106690, 28213380]

約数ペア:

[(1, 28213380), (2, 14106690), (3, 9404460), (4, 7053345), (5, 5642676), (6, 4702230), (9, 3134820), (10, 2821338), (12, 2351115), (13, 2170260), (15, 1880892), (18, 1567410), (20, 1410669), (26, 1085130), (27, 1044940), (30, 940446), (36, 783705), (39, 723420), (45, 626964), (52, 542565), (54, 522470), (60, 470223), (65, 434052), (78, 361710), (90, 313482), (108, 261235), (117, 241140), (130, 217026), (135, 208988), (156, 180855), (180, 156741), (195, 144684), (234, 120570), (260, 108513), (270, 104494), (351, 80380), (390, 72342), (468, 60285), (540, 52247), (585, 48228), (702, 40190), (780, 36171), (1170, 24114), (1404, 20095), (1755, 16076), (2340, 12057), (3510, 8038), (4019, 7020)]