1555087240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{853}}^1$

素因数の和:1271

約数の個数: 128

約数和(自身を含む): 4250050560

約数和(自身を除く): 2694963320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 383, 476, 595, 680, 766, 853, 952, 1190, 1532, 1706, 1915, 2380, 2681, 3064, 3412, 3830, 4265, 4760, 5362, 5971, 6511, 6824, 7660, 8530, 10724, 11942, 13022, 13405, 14501, 15320, 17060, 21448, 23884, 26044, 26810, 29002, 29855, 32555, 34120, 45577, 47768, 52088, 53620, 58004, 59710, 65110, 72505, 91154, 101507, 107240, 116008, 119420, 130220, 145010, 182308, 203014, 227885, 238840, 260440, 290020, 326699, 364616, 406028, 455770, 507535, 580040, 653398, 812056, 911540, 1015070, 1306796, 1633495, 1823080, 2030140, 2286893, 2613592, 3266990, 4060280, 4573786, 5553883, 6533980, 9147572, 11107766, 11434465, 13067960, 18295144, 22215532, 22868930, 27769415, 38877181, 44431064, 45737860, 55538830, 77754362, 91475720, 111077660, 155508724, 194385905, 222155320, 311017448, 388771810, 777543620, 1555087240]

約数ペア:

[(1, 1555087240), (2, 777543620), (4, 388771810), (5, 311017448), (7, 222155320), (8, 194385905), (10, 155508724), (14, 111077660), (17, 91475720), (20, 77754362), (28, 55538830), (34, 45737860), (35, 44431064), (40, 38877181), (56, 27769415), (68, 22868930), (70, 22215532), (85, 18295144), (119, 13067960), (136, 11434465), (140, 11107766), (170, 9147572), (238, 6533980), (280, 5553883), (340, 4573786), (383, 4060280), (476, 3266990), (595, 2613592), (680, 2286893), (766, 2030140), (853, 1823080), (952, 1633495), (1190, 1306796), (1532, 1015070), (1706, 911540), (1915, 812056), (2380, 653398), (2681, 580040), (3064, 507535), (3412, 455770), (3830, 406028), (4265, 364616), (4760, 326699), (5362, 290020), (5971, 260440), (6511, 238840), (6824, 227885), (7660, 203014), (8530, 182308), (10724, 145010), (11942, 130220), (13022, 119420), (13405, 116008), (14501, 107240), (15320, 101507), (17060, 91154), (21448, 72505), (23884, 65110), (26044, 59710), (26810, 58004), (29002, 53620), (29855, 52088), (32555, 47768), (34120, 45577)]