123270420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 192

約数和(自身を含む): 430811136

約数和(自身を除く): 307540716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 107, 130, 140, 156, 182, 195, 210, 211, 214, 260, 273, 321, 364, 390, 420, 422, 428, 455, 535, 546, 633, 642, 749, 780, 844, 910, 1055, 1070, 1092, 1266, 1284, 1365, 1391, 1477, 1498, 1605, 1820, 2110, 2140, 2247, 2532, 2730, 2743, 2782, 2954, 2996, 3165, 3210, 3745, 4173, 4220, 4431, 4494, 5460, 5486, 5564, 5908, 6330, 6420, 6955, 7385, 7490, 8229, 8346, 8862, 8988, 9737, 10972, 11235, 12660, 13715, 13910, 14770, 14980, 16458, 16692, 17724, 19201, 19474, 20865, 22155, 22470, 22577, 27430, 27820, 29211, 29540, 32916, 38402, 38948, 41145, 41730, 44310, 44940, 45154, 48685, 54860, 57603, 58422, 67731, 76804, 82290, 83460, 88620, 90308, 96005, 97370, 112885, 115206, 116844, 135462, 146055, 158039, 164580, 192010, 194740, 225770, 230412, 270924, 288015, 292110, 293501, 316078, 338655, 384020, 451540, 474117, 576030, 584220, 587002, 632156, 677310, 790195, 880503, 948234, 1152060, 1174004, 1354620, 1467505, 1580390, 1761006, 1896468, 2054507, 2370585, 2935010, 3160780, 3522012, 4109014, 4402515, 4741170, 5870020, 6163521, 8218028, 8805030, 9482340, 10272535, 12327042, 17610060, 20545070, 24654084, 30817605, 41090140, 61635210, 123270420]

約数ペア:

[(1, 123270420), (2, 61635210), (3, 41090140), (4, 30817605), (5, 24654084), (6, 20545070), (7, 17610060), (10, 12327042), (12, 10272535), (13, 9482340), (14, 8805030), (15, 8218028), (20, 6163521), (21, 5870020), (26, 4741170), (28, 4402515), (30, 4109014), (35, 3522012), (39, 3160780), (42, 2935010), (52, 2370585), (60, 2054507), (65, 1896468), (70, 1761006), (78, 1580390), (84, 1467505), (91, 1354620), (105, 1174004), (107, 1152060), (130, 948234), (140, 880503), (156, 790195), (182, 677310), (195, 632156), (210, 587002), (211, 584220), (214, 576030), (260, 474117), (273, 451540), (321, 384020), (364, 338655), (390, 316078), (420, 293501), (422, 292110), (428, 288015), (455, 270924), (535, 230412), (546, 225770), (633, 194740), (642, 192010), (749, 164580), (780, 158039), (844, 146055), (910, 135462), (1055, 116844), (1070, 115206), (1092, 112885), (1266, 97370), (1284, 96005), (1365, 90308), (1391, 88620), (1477, 83460), (1498, 82290), (1605, 76804), (1820, 67731), (2110, 58422), (2140, 57603), (2247, 54860), (2532, 48685), (2730, 45154), (2743, 44940), (2782, 44310), (2954, 41730), (2996, 41145), (3165, 38948), (3210, 38402), (3745, 32916), (4173, 29540), (4220, 29211), (4431, 27820), (4494, 27430), (5460, 22577), (5486, 22470), (5564, 22155), (5908, 20865), (6330, 19474), (6420, 19201), (6955, 17724), (7385, 16692), (7490, 16458), (8229, 14980), (8346, 14770), (8862, 13910), (8988, 13715), (9737, 12660), (10972, 11235)]