253567920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3271}}^1$

素因数の和:3323

約数の個数: 160

約数和(自身を含む): 876372480

約数和(自身を除く): 622804560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 3230, 3271, 3876, 4080, 4560, 4845, 5168, 6460, 6542, 7752, 9690, 9813, 12920, 13084, 15504, 16355, 19380, 19626, 25840, 26168, 32710, 38760, 39252, 49065, 52336, 55607, 62149, 65420, 77520, 78504, 98130, 111214, 124298, 130840, 157008, 166821, 186447, 196260, 222428, 248596, 261680, 278035, 310745, 333642, 372894, 392520, 444856, 497192, 556070, 621490, 667284, 745788, 785040, 834105, 889712, 932235, 994384, 1056533, 1112140, 1242980, 1334568, 1491576, 1668210, 1864470, 2113066, 2224280, 2485960, 2669136, 2983152, 3169599, 3336420, 3728940, 4226132, 4448560, 4971920, 5282665, 6339198, 6672840, 7457880, 8452264, 10565330, 12678396, 13345680, 14915760, 15847995, 16904528, 21130660, 25356792, 31695990, 42261320, 50713584, 63391980, 84522640, 126783960, 253567920]

約数ペア:

[(1, 253567920), (2, 126783960), (3, 84522640), (4, 63391980), (5, 50713584), (6, 42261320), (8, 31695990), (10, 25356792), (12, 21130660), (15, 16904528), (16, 15847995), (17, 14915760), (19, 13345680), (20, 12678396), (24, 10565330), (30, 8452264), (34, 7457880), (38, 6672840), (40, 6339198), (48, 5282665), (51, 4971920), (57, 4448560), (60, 4226132), (68, 3728940), (76, 3336420), (80, 3169599), (85, 2983152), (95, 2669136), (102, 2485960), (114, 2224280), (120, 2113066), (136, 1864470), (152, 1668210), (170, 1491576), (190, 1334568), (204, 1242980), (228, 1112140), (240, 1056533), (255, 994384), (272, 932235), (285, 889712), (304, 834105), (323, 785040), (340, 745788), (380, 667284), (408, 621490), (456, 556070), (510, 497192), (570, 444856), (646, 392520), (680, 372894), (760, 333642), (816, 310745), (912, 278035), (969, 261680), (1020, 248596), (1140, 222428), (1292, 196260), (1360, 186447), (1520, 166821), (1615, 157008), (1938, 130840), (2040, 124298), (2280, 111214), (2584, 98130), (3230, 78504), (3271, 77520), (3876, 65420), (4080, 62149), (4560, 55607), (4845, 52336), (5168, 49065), (6460, 39252), (6542, 38760), (7752, 32710), (9690, 26168), (9813, 25840), (12920, 19626), (13084, 19380), (15504, 16355)]