289201280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1454

約数の個数: 128

約数和(自身を含む): 771120000

約数和(自身を除く): 481918720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1292, 1360, 1399, 1520, 1615, 2176, 2432, 2584, 2720, 2798, 3040, 3230, 5168, 5440, 5596, 6080, 6460, 6995, 10336, 10880, 11192, 12160, 12920, 13990, 20672, 22384, 23783, 25840, 26581, 27980, 41344, 44768, 47566, 51680, 53162, 55960, 89536, 95132, 103360, 106324, 111920, 118915, 132905, 179072, 190264, 206720, 212648, 223840, 237830, 265810, 380528, 425296, 447680, 451877, 475660, 531620, 761056, 850592, 895360, 903754, 951320, 1063240, 1522112, 1701184, 1807508, 1902640, 2126480, 2259385, 3044224, 3402368, 3615016, 3805280, 4252960, 4518770, 7230032, 7610560, 8505920, 9037540, 14460064, 15221120, 17011840, 18075080, 28920128, 36150160, 57840256, 72300320, 144600640, 289201280]

約数ペア:

[(1, 289201280), (2, 144600640), (4, 72300320), (5, 57840256), (8, 36150160), (10, 28920128), (16, 18075080), (17, 17011840), (19, 15221120), (20, 14460064), (32, 9037540), (34, 8505920), (38, 7610560), (40, 7230032), (64, 4518770), (68, 4252960), (76, 3805280), (80, 3615016), (85, 3402368), (95, 3044224), (128, 2259385), (136, 2126480), (152, 1902640), (160, 1807508), (170, 1701184), (190, 1522112), (272, 1063240), (304, 951320), (320, 903754), (323, 895360), (340, 850592), (380, 761056), (544, 531620), (608, 475660), (640, 451877), (646, 447680), (680, 425296), (760, 380528), (1088, 265810), (1216, 237830), (1292, 223840), (1360, 212648), (1399, 206720), (1520, 190264), (1615, 179072), (2176, 132905), (2432, 118915), (2584, 111920), (2720, 106324), (2798, 103360), (3040, 95132), (3230, 89536), (5168, 55960), (5440, 53162), (5596, 51680), (6080, 47566), (6460, 44768), (6995, 41344), (10336, 27980), (10880, 26581), (11192, 25840), (12160, 23783), (12920, 22384), (13990, 20672)]