31131750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 87220224

約数和(自身を除く): 56088474

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 103, 125, 130, 150, 155, 186, 195, 206, 250, 309, 310, 325, 375, 390, 403, 465, 515, 618, 650, 750, 775, 806, 930, 975, 1030, 1209, 1339, 1545, 1550, 1625, 1950, 2015, 2325, 2418, 2575, 2678, 3090, 3193, 3250, 3875, 4017, 4030, 4650, 4875, 5150, 6045, 6386, 6695, 7725, 7750, 8034, 9579, 9750, 10075, 11625, 12090, 12875, 13390, 15450, 15965, 19158, 20085, 20150, 23250, 25750, 30225, 31930, 33475, 38625, 40170, 41509, 47895, 50375, 60450, 66950, 77250, 79825, 83018, 95790, 100425, 100750, 124527, 151125, 159650, 167375, 200850, 207545, 239475, 249054, 302250, 334750, 399125, 415090, 478950, 502125, 622635, 798250, 1004250, 1037725, 1197375, 1245270, 2075450, 2394750, 3113175, 5188625, 6226350, 10377250, 15565875, 31131750]

約数ペア:

[(1, 31131750), (2, 15565875), (3, 10377250), (5, 6226350), (6, 5188625), (10, 3113175), (13, 2394750), (15, 2075450), (25, 1245270), (26, 1197375), (30, 1037725), (31, 1004250), (39, 798250), (50, 622635), (62, 502125), (65, 478950), (75, 415090), (78, 399125), (93, 334750), (103, 302250), (125, 249054), (130, 239475), (150, 207545), (155, 200850), (186, 167375), (195, 159650), (206, 151125), (250, 124527), (309, 100750), (310, 100425), (325, 95790), (375, 83018), (390, 79825), (403, 77250), (465, 66950), (515, 60450), (618, 50375), (650, 47895), (750, 41509), (775, 40170), (806, 38625), (930, 33475), (975, 31930), (1030, 30225), (1209, 25750), (1339, 23250), (1545, 20150), (1550, 20085), (1625, 19158), (1950, 15965), (2015, 15450), (2325, 13390), (2418, 12875), (2575, 12090), (2678, 11625), (3090, 10075), (3193, 9750), (3250, 9579), (3875, 8034), (4017, 7750), (4030, 7725), (4650, 6695), (4875, 6386), (5150, 6045)]