78320160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:555

約数の個数: 144

約数和(自身を含む): 269896536

約数和(自身を除く): 191576376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 137, 144, 160, 180, 240, 274, 288, 360, 397, 411, 480, 548, 685, 720, 794, 822, 1096, 1191, 1233, 1370, 1440, 1588, 1644, 1985, 2055, 2192, 2382, 2466, 2740, 3176, 3288, 3573, 3970, 4110, 4384, 4764, 4932, 5480, 5955, 6165, 6352, 6576, 7146, 7940, 8220, 9528, 9864, 10960, 11910, 12330, 12704, 13152, 14292, 15880, 16440, 17865, 19056, 19728, 21920, 23820, 24660, 28584, 31760, 32880, 35730, 38112, 39456, 47640, 49320, 54389, 57168, 63520, 65760, 71460, 95280, 98640, 108778, 114336, 142920, 163167, 190560, 197280, 217556, 271945, 285840, 326334, 435112, 489501, 543890, 571680, 652668, 815835, 870224, 979002, 1087780, 1305336, 1631670, 1740448, 1958004, 2175560, 2447505, 2610672, 3263340, 3916008, 4351120, 4895010, 5221344, 6526680, 7832016, 8702240, 9790020, 13053360, 15664032, 19580040, 26106720, 39160080, 78320160]

約数ペア:

[(1, 78320160), (2, 39160080), (3, 26106720), (4, 19580040), (5, 15664032), (6, 13053360), (8, 9790020), (9, 8702240), (10, 7832016), (12, 6526680), (15, 5221344), (16, 4895010), (18, 4351120), (20, 3916008), (24, 3263340), (30, 2610672), (32, 2447505), (36, 2175560), (40, 1958004), (45, 1740448), (48, 1631670), (60, 1305336), (72, 1087780), (80, 979002), (90, 870224), (96, 815835), (120, 652668), (137, 571680), (144, 543890), (160, 489501), (180, 435112), (240, 326334), (274, 285840), (288, 271945), (360, 217556), (397, 197280), (411, 190560), (480, 163167), (548, 142920), (685, 114336), (720, 108778), (794, 98640), (822, 95280), (1096, 71460), (1191, 65760), (1233, 63520), (1370, 57168), (1440, 54389), (1588, 49320), (1644, 47640), (1985, 39456), (2055, 38112), (2192, 35730), (2382, 32880), (2466, 31760), (2740, 28584), (3176, 24660), (3288, 23820), (3573, 21920), (3970, 19728), (4110, 19056), (4384, 17865), (4764, 16440), (4932, 15880), (5480, 14292), (5955, 13152), (6165, 12704), (6352, 12330), (6576, 11910), (7146, 10960), (7940, 9864), (8220, 9528)]