78447360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 259015680

約数和(自身を除く): 180568320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 659, 744, 768, 930, 960, 992, 1240, 1280, 1318, 1488, 1860, 1920, 1977, 1984, 2480, 2636, 2976, 3295, 3720, 3840, 3954, 3968, 4960, 5272, 5952, 6590, 7440, 7908, 7936, 9885, 9920, 10544, 11904, 13180, 14880, 15816, 19770, 19840, 20429, 21088, 23808, 26360, 29760, 31632, 39540, 39680, 40858, 42176, 52720, 59520, 61287, 63264, 79080, 81716, 84352, 102145, 105440, 119040, 122574, 126528, 158160, 163432, 168704, 204290, 210880, 245148, 253056, 306435, 316320, 326864, 408580, 421760, 490296, 506112, 612870, 632640, 653728, 817160, 843520, 980592, 1225740, 1265280, 1307456, 1634320, 1961184, 2451480, 2530560, 2614912, 3268640, 3922368, 4902960, 5229824, 6537280, 7844736, 9805920, 13074560, 15689472, 19611840, 26149120, 39223680, 78447360]

約数ペア:

[(1, 78447360), (2, 39223680), (3, 26149120), (4, 19611840), (5, 15689472), (6, 13074560), (8, 9805920), (10, 7844736), (12, 6537280), (15, 5229824), (16, 4902960), (20, 3922368), (24, 3268640), (30, 2614912), (31, 2530560), (32, 2451480), (40, 1961184), (48, 1634320), (60, 1307456), (62, 1265280), (64, 1225740), (80, 980592), (93, 843520), (96, 817160), (120, 653728), (124, 632640), (128, 612870), (155, 506112), (160, 490296), (186, 421760), (192, 408580), (240, 326864), (248, 316320), (256, 306435), (310, 253056), (320, 245148), (372, 210880), (384, 204290), (465, 168704), (480, 163432), (496, 158160), (620, 126528), (640, 122574), (659, 119040), (744, 105440), (768, 102145), (930, 84352), (960, 81716), (992, 79080), (1240, 63264), (1280, 61287), (1318, 59520), (1488, 52720), (1860, 42176), (1920, 40858), (1977, 39680), (1984, 39540), (2480, 31632), (2636, 29760), (2976, 26360), (3295, 23808), (3720, 21088), (3840, 20429), (3954, 19840), (3968, 19770), (4960, 15816), (5272, 14880), (5952, 13180), (6590, 11904), (7440, 10544), (7908, 9920), (7936, 9885)]