78735720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1$

素因数の和:1487

約数の個数: 128

約数和(自身を含む): 274176000

約数和(自身を除く): 195440280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 536, 670, 804, 840, 938, 1005, 1340, 1399, 1407, 1608, 1876, 2010, 2345, 2680, 2798, 2814, 3752, 4020, 4197, 4690, 5596, 5628, 6995, 7035, 8040, 8394, 9380, 9793, 11192, 11256, 13990, 14070, 16788, 18760, 19586, 20985, 27980, 28140, 29379, 33576, 39172, 41970, 48965, 55960, 56280, 58758, 78344, 83940, 93733, 97930, 117516, 146895, 167880, 187466, 195860, 235032, 281199, 293790, 374932, 391720, 468665, 562398, 587580, 656131, 749864, 937330, 1124796, 1175160, 1312262, 1405995, 1874660, 1968393, 2249592, 2624524, 2811990, 3280655, 3749320, 3936786, 5249048, 5623980, 6561310, 7873572, 9841965, 11247960, 13122620, 15747144, 19683930, 26245240, 39367860, 78735720]

約数ペア:

[(1, 78735720), (2, 39367860), (3, 26245240), (4, 19683930), (5, 15747144), (6, 13122620), (7, 11247960), (8, 9841965), (10, 7873572), (12, 6561310), (14, 5623980), (15, 5249048), (20, 3936786), (21, 3749320), (24, 3280655), (28, 2811990), (30, 2624524), (35, 2249592), (40, 1968393), (42, 1874660), (56, 1405995), (60, 1312262), (67, 1175160), (70, 1124796), (84, 937330), (105, 749864), (120, 656131), (134, 587580), (140, 562398), (168, 468665), (201, 391720), (210, 374932), (268, 293790), (280, 281199), (335, 235032), (402, 195860), (420, 187466), (469, 167880), (536, 146895), (670, 117516), (804, 97930), (840, 93733), (938, 83940), (1005, 78344), (1340, 58758), (1399, 56280), (1407, 55960), (1608, 48965), (1876, 41970), (2010, 39172), (2345, 33576), (2680, 29379), (2798, 28140), (2814, 27980), (3752, 20985), (4020, 19586), (4197, 18760), (4690, 16788), (5596, 14070), (5628, 13990), (6995, 11256), (7035, 11192), (8040, 9793), (8394, 9380)]