180901760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1328

約数の個数: 128

約数和(自身を含む): 493516800

約数和(自身を除く): 312615040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 640, 680, 832, 884, 1040, 1088, 1105, 1279, 1360, 1664, 1768, 2080, 2176, 2210, 2558, 2720, 3536, 4160, 4420, 5116, 5440, 6395, 7072, 8320, 8840, 10232, 10880, 12790, 14144, 16627, 17680, 20464, 21743, 25580, 28288, 33254, 35360, 40928, 43486, 51160, 66508, 70720, 81856, 83135, 86972, 102320, 108715, 133016, 141440, 163712, 166270, 173944, 204640, 217430, 266032, 282659, 332540, 347888, 409280, 434860, 532064, 565318, 665080, 695776, 818560, 869720, 1064128, 1130636, 1330160, 1391552, 1413295, 1739440, 2128256, 2261272, 2660320, 2783104, 2826590, 3478880, 4522544, 5320640, 5653180, 6957760, 9045088, 10641280, 11306360, 13915520, 18090176, 22612720, 36180352, 45225440, 90450880, 180901760]

約数ペア:

[(1, 180901760), (2, 90450880), (4, 45225440), (5, 36180352), (8, 22612720), (10, 18090176), (13, 13915520), (16, 11306360), (17, 10641280), (20, 9045088), (26, 6957760), (32, 5653180), (34, 5320640), (40, 4522544), (52, 3478880), (64, 2826590), (65, 2783104), (68, 2660320), (80, 2261272), (85, 2128256), (104, 1739440), (128, 1413295), (130, 1391552), (136, 1330160), (160, 1130636), (170, 1064128), (208, 869720), (221, 818560), (260, 695776), (272, 665080), (320, 565318), (340, 532064), (416, 434860), (442, 409280), (520, 347888), (544, 332540), (640, 282659), (680, 266032), (832, 217430), (884, 204640), (1040, 173944), (1088, 166270), (1105, 163712), (1279, 141440), (1360, 133016), (1664, 108715), (1768, 102320), (2080, 86972), (2176, 83135), (2210, 81856), (2558, 70720), (2720, 66508), (3536, 51160), (4160, 43486), (4420, 40928), (5116, 35360), (5440, 33254), (6395, 28288), (7072, 25580), (8320, 21743), (8840, 20464), (10232, 17680), (10880, 16627), (12790, 14144)]