72231880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 191143800

約数和(自身を除く): 118911920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 196, 245, 269, 274, 280, 392, 490, 538, 548, 685, 959, 980, 1076, 1096, 1345, 1370, 1883, 1918, 1960, 2152, 2690, 2740, 3766, 3836, 4795, 5380, 5480, 6713, 7532, 7672, 9415, 9590, 10760, 13181, 13426, 15064, 18830, 19180, 26362, 26852, 33565, 36853, 37660, 38360, 52724, 53704, 65905, 67130, 73706, 75320, 105448, 131810, 134260, 147412, 184265, 257971, 263620, 268520, 294824, 368530, 515942, 527240, 737060, 1031884, 1289855, 1474120, 1805797, 2063768, 2579710, 3611594, 5159420, 7223188, 9028985, 10318840, 14446376, 18057970, 36115940, 72231880]

約数ペア:

[(1, 72231880), (2, 36115940), (4, 18057970), (5, 14446376), (7, 10318840), (8, 9028985), (10, 7223188), (14, 5159420), (20, 3611594), (28, 2579710), (35, 2063768), (40, 1805797), (49, 1474120), (56, 1289855), (70, 1031884), (98, 737060), (137, 527240), (140, 515942), (196, 368530), (245, 294824), (269, 268520), (274, 263620), (280, 257971), (392, 184265), (490, 147412), (538, 134260), (548, 131810), (685, 105448), (959, 75320), (980, 73706), (1076, 67130), (1096, 65905), (1345, 53704), (1370, 52724), (1883, 38360), (1918, 37660), (1960, 36853), (2152, 33565), (2690, 26852), (2740, 26362), (3766, 19180), (3836, 18830), (4795, 15064), (5380, 13426), (5480, 13181), (6713, 10760), (7532, 9590), (7672, 9415)]