138108720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1043

約数の個数: 160

約数和(自身を含む): 465684480

約数和(自身を除く): 327575760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 977, 1140, 1178, 1240, 1488, 1520, 1767, 1860, 1954, 2280, 2356, 2480, 2931, 2945, 3534, 3720, 3908, 4560, 4712, 4885, 5862, 5890, 7068, 7440, 7816, 8835, 9424, 9770, 11724, 11780, 14136, 14655, 15632, 17670, 18563, 19540, 23448, 23560, 28272, 29310, 30287, 35340, 37126, 39080, 46896, 47120, 55689, 58620, 60574, 70680, 74252, 78160, 90861, 92815, 111378, 117240, 121148, 141360, 148504, 151435, 181722, 185630, 222756, 234480, 242296, 278445, 297008, 302870, 363444, 371260, 445512, 454305, 484592, 556890, 575453, 605740, 726888, 742520, 891024, 908610, 1113780, 1150906, 1211480, 1453776, 1485040, 1726359, 1817220, 2227560, 2301812, 2422960, 2877265, 3452718, 3634440, 4455120, 4603624, 5754530, 6905436, 7268880, 8631795, 9207248, 11509060, 13810872, 17263590, 23018120, 27621744, 34527180, 46036240, 69054360, 138108720]

約数ペア:

[(1, 138108720), (2, 69054360), (3, 46036240), (4, 34527180), (5, 27621744), (6, 23018120), (8, 17263590), (10, 13810872), (12, 11509060), (15, 9207248), (16, 8631795), (19, 7268880), (20, 6905436), (24, 5754530), (30, 4603624), (31, 4455120), (38, 3634440), (40, 3452718), (48, 2877265), (57, 2422960), (60, 2301812), (62, 2227560), (76, 1817220), (80, 1726359), (93, 1485040), (95, 1453776), (114, 1211480), (120, 1150906), (124, 1113780), (152, 908610), (155, 891024), (186, 742520), (190, 726888), (228, 605740), (240, 575453), (248, 556890), (285, 484592), (304, 454305), (310, 445512), (372, 371260), (380, 363444), (456, 302870), (465, 297008), (496, 278445), (570, 242296), (589, 234480), (620, 222756), (744, 185630), (760, 181722), (912, 151435), (930, 148504), (977, 141360), (1140, 121148), (1178, 117240), (1240, 111378), (1488, 92815), (1520, 90861), (1767, 78160), (1860, 74252), (1954, 70680), (2280, 60574), (2356, 58620), (2480, 55689), (2931, 47120), (2945, 46896), (3534, 39080), (3720, 37126), (3908, 35340), (4560, 30287), (4712, 29310), (4885, 28272), (5862, 23560), (5890, 23448), (7068, 19540), (7440, 18563), (7816, 17670), (8835, 15632), (9424, 14655), (9770, 14136), (11724, 11780)]