72123870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:970

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 148507170

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 29, 30, 35, 39, 42, 58, 65, 70, 78, 87, 91, 105, 130, 145, 174, 182, 195, 203, 210, 273, 290, 377, 390, 406, 435, 455, 546, 609, 754, 870, 910, 911, 1015, 1131, 1218, 1365, 1822, 1885, 2030, 2262, 2639, 2730, 2733, 3045, 3770, 4555, 5278, 5466, 5655, 6090, 6377, 7917, 9110, 11310, 11843, 12754, 13195, 13665, 15834, 19131, 23686, 26390, 26419, 27330, 31885, 35529, 38262, 39585, 52838, 59215, 63770, 71058, 79170, 79257, 82901, 95655, 118430, 132095, 158514, 165802, 177645, 184933, 191310, 248703, 264190, 343447, 355290, 369866, 396285, 414505, 497406, 554799, 686894, 792570, 829010, 924665, 1030341, 1109598, 1243515, 1717235, 1849330, 2060682, 2404129, 2487030, 2773995, 3434470, 4808258, 5151705, 5547990, 7212387, 10303410, 12020645, 14424774, 24041290, 36061935, 72123870]

約数ペア:

[(1, 72123870), (2, 36061935), (3, 24041290), (5, 14424774), (6, 12020645), (7, 10303410), (10, 7212387), (13, 5547990), (14, 5151705), (15, 4808258), (21, 3434470), (26, 2773995), (29, 2487030), (30, 2404129), (35, 2060682), (39, 1849330), (42, 1717235), (58, 1243515), (65, 1109598), (70, 1030341), (78, 924665), (87, 829010), (91, 792570), (105, 686894), (130, 554799), (145, 497406), (174, 414505), (182, 396285), (195, 369866), (203, 355290), (210, 343447), (273, 264190), (290, 248703), (377, 191310), (390, 184933), (406, 177645), (435, 165802), (455, 158514), (546, 132095), (609, 118430), (754, 95655), (870, 82901), (910, 79257), (911, 79170), (1015, 71058), (1131, 63770), (1218, 59215), (1365, 52838), (1822, 39585), (1885, 38262), (2030, 35529), (2262, 31885), (2639, 27330), (2730, 26419), (2733, 26390), (3045, 23686), (3770, 19131), (4555, 15834), (5278, 13665), (5466, 13195), (5655, 12754), (6090, 11843), (6377, 11310), (7917, 9110)]