30949880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 76476960

約数和(自身を除く): 45527080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1123, 1378, 2120, 2246, 2756, 3445, 4492, 5512, 5615, 6890, 8984, 11230, 13780, 14599, 22460, 27560, 29198, 44920, 58396, 59519, 72995, 116792, 119038, 145990, 238076, 291980, 297595, 476152, 583960, 595190, 773747, 1190380, 1547494, 2380760, 3094988, 3868735, 6189976, 7737470, 15474940, 30949880]

約数ペア:

[(1, 30949880), (2, 15474940), (4, 7737470), (5, 6189976), (8, 3868735), (10, 3094988), (13, 2380760), (20, 1547494), (26, 1190380), (40, 773747), (52, 595190), (53, 583960), (65, 476152), (104, 297595), (106, 291980), (130, 238076), (212, 145990), (260, 119038), (265, 116792), (424, 72995), (520, 59519), (530, 58396), (689, 44920), (1060, 29198), (1123, 27560), (1378, 22460), (2120, 14599), (2246, 13780), (2756, 11230), (3445, 8984), (4492, 6890), (5512, 5615)]