56401520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 162846720

約数和(自身を除く): 106445200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 80, 92, 112, 115, 116, 140, 145, 151, 161, 184, 203, 230, 232, 280, 290, 302, 322, 368, 406, 460, 464, 560, 580, 604, 644, 667, 755, 805, 812, 920, 1015, 1057, 1160, 1208, 1288, 1334, 1510, 1610, 1624, 1840, 2030, 2114, 2320, 2416, 2576, 2668, 3020, 3220, 3248, 3335, 3473, 4060, 4228, 4379, 4669, 5285, 5336, 6040, 6440, 6670, 6946, 8120, 8456, 8758, 9338, 10570, 10672, 12080, 12880, 13340, 13892, 16240, 16912, 17365, 17516, 18676, 21140, 21895, 23345, 24311, 26680, 27784, 30653, 34730, 35032, 37352, 42280, 43790, 46690, 48622, 53360, 55568, 61306, 69460, 70064, 74704, 84560, 87580, 93380, 97244, 100717, 121555, 122612, 138920, 153265, 175160, 186760, 194488, 201434, 243110, 245224, 277840, 306530, 350320, 373520, 388976, 402868, 486220, 490448, 503585, 613060, 705019, 805736, 972440, 1007170, 1226120, 1410038, 1611472, 1944880, 2014340, 2452240, 2820076, 3525095, 4028680, 5640152, 7050190, 8057360, 11280304, 14100380, 28200760, 56401520]

約数ペア:

[(1, 56401520), (2, 28200760), (4, 14100380), (5, 11280304), (7, 8057360), (8, 7050190), (10, 5640152), (14, 4028680), (16, 3525095), (20, 2820076), (23, 2452240), (28, 2014340), (29, 1944880), (35, 1611472), (40, 1410038), (46, 1226120), (56, 1007170), (58, 972440), (70, 805736), (80, 705019), (92, 613060), (112, 503585), (115, 490448), (116, 486220), (140, 402868), (145, 388976), (151, 373520), (161, 350320), (184, 306530), (203, 277840), (230, 245224), (232, 243110), (280, 201434), (290, 194488), (302, 186760), (322, 175160), (368, 153265), (406, 138920), (460, 122612), (464, 121555), (560, 100717), (580, 97244), (604, 93380), (644, 87580), (667, 84560), (755, 74704), (805, 70064), (812, 69460), (920, 61306), (1015, 55568), (1057, 53360), (1160, 48622), (1208, 46690), (1288, 43790), (1334, 42280), (1510, 37352), (1610, 35032), (1624, 34730), (1840, 30653), (2030, 27784), (2114, 26680), (2320, 24311), (2416, 23345), (2576, 21895), (2668, 21140), (3020, 18676), (3220, 17516), (3248, 17365), (3335, 16912), (3473, 16240), (4060, 13892), (4228, 13340), (4379, 12880), (4669, 12080), (5285, 10672), (5336, 10570), (6040, 9338), (6440, 8758), (6670, 8456), (6946, 8120)]