2178719220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{1109}}^1$

素因数の和:1497

約数の個数: 96

約数和(自身を含む): 6176217600

約数和(自身を除く): 3997498380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 239, 274, 411, 478, 548, 685, 717, 822, 956, 1109, 1195, 1370, 1434, 1644, 2055, 2218, 2390, 2740, 2868, 3327, 3585, 4110, 4436, 4780, 5545, 6654, 7170, 8220, 11090, 13308, 14340, 16635, 22180, 32743, 33270, 65486, 66540, 98229, 130972, 151933, 163715, 196458, 265051, 303866, 327430, 392916, 455799, 491145, 530102, 607732, 654860, 759665, 795153, 911598, 982290, 1060204, 1325255, 1519330, 1590306, 1823196, 1964580, 2278995, 2650510, 3038660, 3180612, 3975765, 4557990, 5301020, 7951530, 9115980, 15903060, 36311987, 72623974, 108935961, 145247948, 181559935, 217871922, 363119870, 435743844, 544679805, 726239740, 1089359610, 2178719220]

約数ペア:

[(1, 2178719220), (2, 1089359610), (3, 726239740), (4, 544679805), (5, 435743844), (6, 363119870), (10, 217871922), (12, 181559935), (15, 145247948), (20, 108935961), (30, 72623974), (60, 36311987), (137, 15903060), (239, 9115980), (274, 7951530), (411, 5301020), (478, 4557990), (548, 3975765), (685, 3180612), (717, 3038660), (822, 2650510), (956, 2278995), (1109, 1964580), (1195, 1823196), (1370, 1590306), (1434, 1519330), (1644, 1325255), (2055, 1060204), (2218, 982290), (2390, 911598), (2740, 795153), (2868, 759665), (3327, 654860), (3585, 607732), (4110, 530102), (4436, 491145), (4780, 455799), (5545, 392916), (6654, 327430), (7170, 303866), (8220, 265051), (11090, 196458), (13308, 163715), (14340, 151933), (16635, 130972), (22180, 98229), (32743, 66540), (33270, 65486)]