39878280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8521}}^1$

素因数の和:8551

約数の個数: 96

約数和(自身を含む): 139590360

約数和(自身を除く): 99712080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 8521, 17042, 25563, 34084, 42605, 51126, 68168, 76689, 85210, 102252, 110773, 127815, 153378, 170420, 204504, 221546, 255630, 306756, 332319, 340840, 383445, 443092, 511260, 553865, 613512, 664638, 766890, 886184, 996957, 1022520, 1107730, 1329276, 1533780, 1661595, 1993914, 2215460, 2658552, 3067560, 3323190, 3987828, 4430920, 4984785, 6646380, 7975656, 9969570, 13292760, 19939140, 39878280]

約数ペア:

[(1, 39878280), (2, 19939140), (3, 13292760), (4, 9969570), (5, 7975656), (6, 6646380), (8, 4984785), (9, 4430920), (10, 3987828), (12, 3323190), (13, 3067560), (15, 2658552), (18, 2215460), (20, 1993914), (24, 1661595), (26, 1533780), (30, 1329276), (36, 1107730), (39, 1022520), (40, 996957), (45, 886184), (52, 766890), (60, 664638), (65, 613512), (72, 553865), (78, 511260), (90, 443092), (104, 383445), (117, 340840), (120, 332319), (130, 306756), (156, 255630), (180, 221546), (195, 204504), (234, 170420), (260, 153378), (312, 127815), (360, 110773), (390, 102252), (468, 85210), (520, 76689), (585, 68168), (780, 51126), (936, 42605), (1170, 34084), (1560, 25563), (2340, 17042), (4680, 8521)]