221315280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 709668864

約数和(自身を除く): 488353584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 127, 137, 159, 212, 240, 254, 265, 274, 318, 381, 411, 424, 508, 530, 548, 635, 636, 685, 762, 795, 822, 848, 1016, 1060, 1096, 1270, 1272, 1370, 1524, 1590, 1644, 1905, 2032, 2055, 2120, 2192, 2540, 2544, 2740, 3048, 3180, 3288, 3810, 4110, 4240, 5080, 5480, 6096, 6360, 6576, 6731, 7261, 7620, 8220, 10160, 10960, 12720, 13462, 14522, 15240, 16440, 17399, 20193, 21783, 26924, 29044, 30480, 32880, 33655, 34798, 36305, 40386, 43566, 52197, 53848, 58088, 67310, 69596, 72610, 80772, 86995, 87132, 100965, 104394, 107696, 108915, 116176, 134620, 139192, 145220, 161544, 173990, 174264, 201930, 208788, 217830, 260985, 269240, 278384, 290440, 323088, 347980, 348528, 403860, 417576, 435660, 521970, 538480, 580880, 695960, 807720, 835152, 871320, 922147, 1043940, 1391920, 1615440, 1742640, 1844294, 2087880, 2766441, 3688588, 4175760, 4610735, 5532882, 7377176, 9221470, 11065764, 13832205, 14754352, 18442940, 22131528, 27664410, 36885880, 44263056, 55328820, 73771760, 110657640, 221315280]

約数ペア:

[(1, 221315280), (2, 110657640), (3, 73771760), (4, 55328820), (5, 44263056), (6, 36885880), (8, 27664410), (10, 22131528), (12, 18442940), (15, 14754352), (16, 13832205), (20, 11065764), (24, 9221470), (30, 7377176), (40, 5532882), (48, 4610735), (53, 4175760), (60, 3688588), (80, 2766441), (106, 2087880), (120, 1844294), (127, 1742640), (137, 1615440), (159, 1391920), (212, 1043940), (240, 922147), (254, 871320), (265, 835152), (274, 807720), (318, 695960), (381, 580880), (411, 538480), (424, 521970), (508, 435660), (530, 417576), (548, 403860), (635, 348528), (636, 347980), (685, 323088), (762, 290440), (795, 278384), (822, 269240), (848, 260985), (1016, 217830), (1060, 208788), (1096, 201930), (1270, 174264), (1272, 173990), (1370, 161544), (1524, 145220), (1590, 139192), (1644, 134620), (1905, 116176), (2032, 108915), (2055, 107696), (2120, 104394), (2192, 100965), (2540, 87132), (2544, 86995), (2740, 80772), (3048, 72610), (3180, 69596), (3288, 67310), (3810, 58088), (4110, 53848), (4240, 52197), (5080, 43566), (5480, 40386), (6096, 36305), (6360, 34798), (6576, 33655), (6731, 32880), (7261, 30480), (7620, 29044), (8220, 26924), (10160, 21783), (10960, 20193), (12720, 17399), (13462, 16440), (14522, 15240)]