140587960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 356918400

約数和(自身を除く): 216330440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 89, 92, 101, 115, 136, 170, 178, 184, 202, 230, 340, 356, 391, 404, 445, 460, 505, 680, 712, 782, 808, 890, 920, 1010, 1513, 1564, 1717, 1780, 1955, 2020, 2047, 2323, 3026, 3128, 3434, 3560, 3910, 4040, 4094, 4646, 6052, 6868, 7565, 7820, 8188, 8585, 8989, 9292, 10235, 11615, 12104, 13736, 15130, 15640, 16376, 17170, 17978, 18584, 20470, 23230, 30260, 34340, 34799, 35956, 39491, 40940, 44945, 46460, 60520, 68680, 69598, 71912, 78982, 81880, 89890, 92920, 139196, 152813, 157964, 173995, 179780, 197455, 206747, 278392, 305626, 315928, 347990, 359560, 394910, 413494, 611252, 695980, 764065, 789820, 826988, 1033735, 1222504, 1391960, 1528130, 1579640, 1653976, 2067470, 3056260, 3514699, 4134940, 6112520, 7029398, 8269880, 14058796, 17573495, 28117592, 35146990, 70293980, 140587960]

約数ペア:

[(1, 140587960), (2, 70293980), (4, 35146990), (5, 28117592), (8, 17573495), (10, 14058796), (17, 8269880), (20, 7029398), (23, 6112520), (34, 4134940), (40, 3514699), (46, 3056260), (68, 2067470), (85, 1653976), (89, 1579640), (92, 1528130), (101, 1391960), (115, 1222504), (136, 1033735), (170, 826988), (178, 789820), (184, 764065), (202, 695980), (230, 611252), (340, 413494), (356, 394910), (391, 359560), (404, 347990), (445, 315928), (460, 305626), (505, 278392), (680, 206747), (712, 197455), (782, 179780), (808, 173995), (890, 157964), (920, 152813), (1010, 139196), (1513, 92920), (1564, 89890), (1717, 81880), (1780, 78982), (1955, 71912), (2020, 69598), (2047, 68680), (2323, 60520), (3026, 46460), (3128, 44945), (3434, 40940), (3560, 39491), (3910, 35956), (4040, 34799), (4094, 34340), (4646, 30260), (6052, 23230), (6868, 20470), (7565, 18584), (7820, 17978), (8188, 17170), (8585, 16376), (8989, 15640), (9292, 15130), (10235, 13736), (11615, 12104)]