31295460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 100880640

約数和(自身を除く): 69585180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 269, 277, 420, 538, 554, 807, 831, 1076, 1108, 1345, 1385, 1614, 1662, 1883, 1939, 2690, 2770, 3228, 3324, 3766, 3878, 4035, 4155, 5380, 5540, 5649, 5817, 7532, 7756, 8070, 8310, 9415, 9695, 11298, 11634, 16140, 16620, 18830, 19390, 22596, 23268, 28245, 29085, 37660, 38780, 56490, 58170, 74513, 112980, 116340, 149026, 223539, 298052, 372565, 447078, 521591, 745130, 894156, 1043182, 1117695, 1490260, 1564773, 2086364, 2235390, 2607955, 3129546, 4470780, 5215910, 6259092, 7823865, 10431820, 15647730, 31295460]

約数ペア:

[(1, 31295460), (2, 15647730), (3, 10431820), (4, 7823865), (5, 6259092), (6, 5215910), (7, 4470780), (10, 3129546), (12, 2607955), (14, 2235390), (15, 2086364), (20, 1564773), (21, 1490260), (28, 1117695), (30, 1043182), (35, 894156), (42, 745130), (60, 521591), (70, 447078), (84, 372565), (105, 298052), (140, 223539), (210, 149026), (269, 116340), (277, 112980), (420, 74513), (538, 58170), (554, 56490), (807, 38780), (831, 37660), (1076, 29085), (1108, 28245), (1345, 23268), (1385, 22596), (1614, 19390), (1662, 18830), (1883, 16620), (1939, 16140), (2690, 11634), (2770, 11298), (3228, 9695), (3324, 9415), (3766, 8310), (3878, 8070), (4035, 7756), (4155, 7532), (5380, 5817), (5540, 5649)]