19960979520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{233}}^2\times {\mathrm{383}}^1$

素因数の和:869

約数の個数: 168

約数和(自身を含む): 63815463936

約数和(自身を除く): 43854484416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 233, 240, 320, 383, 466, 480, 699, 766, 932, 960, 1149, 1165, 1398, 1532, 1864, 1915, 2298, 2330, 2796, 3064, 3495, 3728, 3830, 4596, 4660, 5592, 5745, 6128, 6990, 7456, 7660, 9192, 9320, 11184, 11490, 12256, 13980, 14912, 15320, 18384, 18640, 22368, 22980, 24512, 27960, 30640, 36768, 37280, 44736, 45960, 54289, 55920, 61280, 73536, 74560, 89239, 91920, 108578, 111840, 122560, 162867, 178478, 183840, 217156, 223680, 267717, 271445, 325734, 356956, 367680, 434312, 446195, 535434, 542890, 651468, 713912, 814335, 868624, 892390, 1070868, 1085780, 1302936, 1338585, 1427824, 1628670, 1737248, 1784780, 2141736, 2171560, 2605872, 2677170, 2855648, 3257340, 3474496, 3569560, 4283472, 4343120, 5211744, 5354340, 5711296, 6514680, 7139120, 8566944, 8686240, 10423488, 10708680, 13029360, 14278240, 17133888, 17372480, 20792687, 21417360, 26058720, 28556480, 41585374, 42834720, 52117440, 62378061, 83170748, 85669440, 103963435, 124756122, 166341496, 207926870, 249512244, 311890305, 332682992, 415853740, 499024488, 623780610, 665365984, 831707480, 998048976, 1247561220, 1330731968, 1663414960, 1996097952, 2495122440, 3326829920, 3992195904, 4990244880, 6653659840, 9980489760, 19960979520]

約数ペア:

[(1, 19960979520), (2, 9980489760), (3, 6653659840), (4, 4990244880), (5, 3992195904), (6, 3326829920), (8, 2495122440), (10, 1996097952), (12, 1663414960), (15, 1330731968), (16, 1247561220), (20, 998048976), (24, 831707480), (30, 665365984), (32, 623780610), (40, 499024488), (48, 415853740), (60, 332682992), (64, 311890305), (80, 249512244), (96, 207926870), (120, 166341496), (160, 124756122), (192, 103963435), (233, 85669440), (240, 83170748), (320, 62378061), (383, 52117440), (466, 42834720), (480, 41585374), (699, 28556480), (766, 26058720), (932, 21417360), (960, 20792687), (1149, 17372480), (1165, 17133888), (1398, 14278240), (1532, 13029360), (1864, 10708680), (1915, 10423488), (2298, 8686240), (2330, 8566944), (2796, 7139120), (3064, 6514680), (3495, 5711296), (3728, 5354340), (3830, 5211744), (4596, 4343120), (4660, 4283472), (5592, 3569560), (5745, 3474496), (6128, 3257340), (6990, 2855648), (7456, 2677170), (7660, 2605872), (9192, 2171560), (9320, 2141736), (11184, 1784780), (11490, 1737248), (12256, 1628670), (13980, 1427824), (14912, 1338585), (15320, 1302936), (18384, 1085780), (18640, 1070868), (22368, 892390), (22980, 868624), (24512, 814335), (27960, 713912), (30640, 651468), (36768, 542890), (37280, 535434), (44736, 446195), (45960, 434312), (54289, 367680), (55920, 356956), (61280, 325734), (73536, 271445), (74560, 267717), (89239, 223680), (91920, 217156), (108578, 183840), (111840, 178478), (122560, 162867)]