31941780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1377

約数の個数: 96

約数和(自身を含む): 99499008

約数和(自身を除く): 67557228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1321, 1612, 1860, 2015, 2418, 2642, 3963, 4030, 4836, 5284, 6045, 6605, 7926, 8060, 12090, 13210, 15852, 17173, 19815, 24180, 26420, 34346, 39630, 40951, 51519, 68692, 79260, 81902, 85865, 103038, 122853, 163804, 171730, 204755, 206076, 245706, 257595, 343460, 409510, 491412, 515190, 532363, 614265, 819020, 1030380, 1064726, 1228530, 1597089, 2129452, 2457060, 2661815, 3194178, 5323630, 6388356, 7985445, 10647260, 15970890, 31941780]

約数ペア:

[(1, 31941780), (2, 15970890), (3, 10647260), (4, 7985445), (5, 6388356), (6, 5323630), (10, 3194178), (12, 2661815), (13, 2457060), (15, 2129452), (20, 1597089), (26, 1228530), (30, 1064726), (31, 1030380), (39, 819020), (52, 614265), (60, 532363), (62, 515190), (65, 491412), (78, 409510), (93, 343460), (124, 257595), (130, 245706), (155, 206076), (156, 204755), (186, 171730), (195, 163804), (260, 122853), (310, 103038), (372, 85865), (390, 81902), (403, 79260), (465, 68692), (620, 51519), (780, 40951), (806, 39630), (930, 34346), (1209, 26420), (1321, 24180), (1612, 19815), (1860, 17173), (2015, 15852), (2418, 13210), (2642, 12090), (3963, 8060), (4030, 7926), (4836, 6605), (5284, 6045)]