123812220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1880

約数の個数: 144

約数和(自身を含む): 421037568

約数和(自身を除く): 297225348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1831, 1932, 2254, 2415, 2940, 3220, 3381, 3662, 4508, 4830, 5493, 5635, 6762, 7324, 9155, 9660, 10986, 11270, 12817, 13524, 16905, 18310, 21972, 22540, 25634, 27465, 33810, 36620, 38451, 42113, 51268, 54930, 64085, 67620, 76902, 84226, 89719, 109860, 126339, 128170, 153804, 168452, 179438, 192255, 210565, 252678, 256340, 269157, 294791, 358876, 384510, 421130, 448595, 505356, 538314, 589582, 631695, 769020, 842260, 884373, 897190, 1076628, 1179164, 1263390, 1345785, 1473955, 1768746, 1794380, 2063537, 2526780, 2691570, 2947910, 3537492, 4127074, 4421865, 5383140, 5895820, 6190611, 8254148, 8843730, 10317685, 12381222, 17687460, 20635370, 24762444, 30953055, 41270740, 61906110, 123812220]

約数ペア:

[(1, 123812220), (2, 61906110), (3, 41270740), (4, 30953055), (5, 24762444), (6, 20635370), (7, 17687460), (10, 12381222), (12, 10317685), (14, 8843730), (15, 8254148), (20, 6190611), (21, 5895820), (23, 5383140), (28, 4421865), (30, 4127074), (35, 3537492), (42, 2947910), (46, 2691570), (49, 2526780), (60, 2063537), (69, 1794380), (70, 1768746), (84, 1473955), (92, 1345785), (98, 1263390), (105, 1179164), (115, 1076628), (138, 897190), (140, 884373), (147, 842260), (161, 769020), (196, 631695), (210, 589582), (230, 538314), (245, 505356), (276, 448595), (294, 421130), (322, 384510), (345, 358876), (420, 294791), (460, 269157), (483, 256340), (490, 252678), (588, 210565), (644, 192255), (690, 179438), (735, 168452), (805, 153804), (966, 128170), (980, 126339), (1127, 109860), (1380, 89719), (1470, 84226), (1610, 76902), (1831, 67620), (1932, 64085), (2254, 54930), (2415, 51268), (2940, 42113), (3220, 38451), (3381, 36620), (3662, 33810), (4508, 27465), (4830, 25634), (5493, 22540), (5635, 21972), (6762, 18310), (7324, 16905), (9155, 13524), (9660, 12817), (10986, 11270)]