161668720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 422830080

約数和(自身を除く): 261161360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 47, 62, 73, 76, 80, 94, 95, 124, 146, 152, 155, 188, 190, 235, 248, 292, 304, 310, 365, 376, 380, 470, 496, 584, 589, 620, 730, 752, 760, 893, 940, 1168, 1178, 1240, 1387, 1457, 1460, 1520, 1786, 1880, 2263, 2356, 2480, 2774, 2914, 2920, 2945, 3431, 3572, 3760, 4465, 4526, 4712, 5548, 5828, 5840, 5890, 6862, 6935, 7144, 7285, 8930, 9052, 9424, 11096, 11315, 11656, 11780, 13724, 13870, 14288, 14570, 17155, 17860, 18104, 22192, 22630, 23312, 23560, 27448, 27683, 27740, 29140, 34310, 35720, 36208, 42997, 45260, 47120, 54896, 55366, 55480, 58280, 65189, 68620, 71440, 85994, 90520, 106361, 110732, 110960, 116560, 130378, 137240, 138415, 171988, 181040, 212722, 214985, 221464, 260756, 274480, 276830, 325945, 343976, 425444, 429970, 442928, 521512, 531805, 553660, 651890, 687952, 850888, 859940, 1043024, 1063610, 1107320, 1303780, 1701776, 1719880, 2020859, 2127220, 2214640, 2607560, 3439760, 4041718, 4254440, 5215120, 8083436, 8508880, 10104295, 16166872, 20208590, 32333744, 40417180, 80834360, 161668720]

約数ペア:

[(1, 161668720), (2, 80834360), (4, 40417180), (5, 32333744), (8, 20208590), (10, 16166872), (16, 10104295), (19, 8508880), (20, 8083436), (31, 5215120), (38, 4254440), (40, 4041718), (47, 3439760), (62, 2607560), (73, 2214640), (76, 2127220), (80, 2020859), (94, 1719880), (95, 1701776), (124, 1303780), (146, 1107320), (152, 1063610), (155, 1043024), (188, 859940), (190, 850888), (235, 687952), (248, 651890), (292, 553660), (304, 531805), (310, 521512), (365, 442928), (376, 429970), (380, 425444), (470, 343976), (496, 325945), (584, 276830), (589, 274480), (620, 260756), (730, 221464), (752, 214985), (760, 212722), (893, 181040), (940, 171988), (1168, 138415), (1178, 137240), (1240, 130378), (1387, 116560), (1457, 110960), (1460, 110732), (1520, 106361), (1786, 90520), (1880, 85994), (2263, 71440), (2356, 68620), (2480, 65189), (2774, 58280), (2914, 55480), (2920, 55366), (2945, 54896), (3431, 47120), (3572, 45260), (3760, 42997), (4465, 36208), (4526, 35720), (4712, 34310), (5548, 29140), (5828, 27740), (5840, 27683), (5890, 27448), (6862, 23560), (6935, 23312), (7144, 22630), (7285, 22192), (8930, 18104), (9052, 17860), (9424, 17155), (11096, 14570), (11315, 14288), (11656, 13870), (11780, 13724)]