61409140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 151280640

約数和(自身を除く): 89871500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 401, 403, 494, 589, 620, 802, 806, 988, 1178, 1235, 1604, 1612, 2005, 2015, 2356, 2470, 2945, 4010, 4030, 4940, 5213, 5890, 7619, 7657, 8020, 8060, 10426, 11780, 12431, 15238, 15314, 20852, 24862, 26065, 30476, 30628, 38095, 38285, 49724, 52130, 62155, 76190, 76570, 99047, 104260, 124310, 152380, 153140, 161603, 198094, 236189, 248620, 323206, 396188, 472378, 495235, 646412, 808015, 944756, 990470, 1180945, 1616030, 1980940, 2361890, 3070457, 3232060, 4723780, 6140914, 12281828, 15352285, 30704570, 61409140]

約数ペア:

[(1, 61409140), (2, 30704570), (4, 15352285), (5, 12281828), (10, 6140914), (13, 4723780), (19, 3232060), (20, 3070457), (26, 2361890), (31, 1980940), (38, 1616030), (52, 1180945), (62, 990470), (65, 944756), (76, 808015), (95, 646412), (124, 495235), (130, 472378), (155, 396188), (190, 323206), (247, 248620), (260, 236189), (310, 198094), (380, 161603), (401, 153140), (403, 152380), (494, 124310), (589, 104260), (620, 99047), (802, 76570), (806, 76190), (988, 62155), (1178, 52130), (1235, 49724), (1604, 38285), (1612, 38095), (2005, 30628), (2015, 30476), (2356, 26065), (2470, 24862), (2945, 20852), (4010, 15314), (4030, 15238), (4940, 12431), (5213, 11780), (5890, 10426), (7619, 8060), (7657, 8020)]