72415920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17749}}^1$

素因数の和:17782

約数の個数: 80

約数和(自身を含む): 237708000

約数和(自身を除く): 165292080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 17749, 35498, 53247, 70996, 88745, 106494, 141992, 177490, 212988, 266235, 283984, 301733, 354980, 425976, 532470, 603466, 709960, 851952, 905199, 1064940, 1206932, 1419920, 1508665, 1810398, 2129880, 2413864, 3017330, 3620796, 4259760, 4525995, 4827728, 6034660, 7241592, 9051990, 12069320, 14483184, 18103980, 24138640, 36207960, 72415920]

約数ペア:

[(1, 72415920), (2, 36207960), (3, 24138640), (4, 18103980), (5, 14483184), (6, 12069320), (8, 9051990), (10, 7241592), (12, 6034660), (15, 4827728), (16, 4525995), (17, 4259760), (20, 3620796), (24, 3017330), (30, 2413864), (34, 2129880), (40, 1810398), (48, 1508665), (51, 1419920), (60, 1206932), (68, 1064940), (80, 905199), (85, 851952), (102, 709960), (120, 603466), (136, 532470), (170, 425976), (204, 354980), (240, 301733), (255, 283984), (272, 266235), (340, 212988), (408, 177490), (510, 141992), (680, 106494), (816, 88745), (1020, 70996), (1360, 53247), (2040, 35498), (4080, 17749)]