201516640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 560105280

約数和(自身を除く): 358588640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 41, 52, 65, 68, 80, 82, 85, 104, 130, 136, 139, 160, 164, 170, 205, 208, 221, 260, 272, 278, 328, 340, 410, 416, 442, 520, 533, 544, 556, 656, 680, 695, 697, 820, 884, 1040, 1066, 1105, 1112, 1312, 1360, 1390, 1394, 1640, 1768, 1807, 2080, 2132, 2210, 2224, 2363, 2665, 2720, 2780, 2788, 3280, 3485, 3536, 3614, 4264, 4420, 4448, 4726, 5330, 5560, 5576, 5699, 6560, 6970, 7072, 7228, 8528, 8840, 9035, 9061, 9452, 10660, 11120, 11152, 11398, 11815, 13940, 14456, 17056, 17680, 18070, 18122, 18904, 21320, 22240, 22304, 22796, 23630, 27880, 28495, 28912, 30719, 35360, 36140, 36244, 37808, 42640, 45305, 45592, 47260, 55760, 56990, 57824, 61438, 72280, 72488, 74087, 75616, 85280, 90610, 91184, 94520, 96883, 111520, 113980, 122876, 144560, 144976, 148174, 153595, 181220, 182368, 189040, 193766, 227960, 245752, 289120, 289952, 296348, 307190, 362440, 370435, 378080, 387532, 455920, 484415, 491504, 592696, 614380, 724880, 740870, 775064, 911840, 968830, 983008, 1185392, 1228760, 1259479, 1449760, 1481740, 1550128, 1937660, 2370784, 2457520, 2518958, 2963480, 3100256, 3875320, 4915040, 5037916, 5926960, 6297395, 7750640, 10075832, 11853920, 12594790, 15501280, 20151664, 25189580, 40303328, 50379160, 100758320, 201516640]

約数ペア:

[(1, 201516640), (2, 100758320), (4, 50379160), (5, 40303328), (8, 25189580), (10, 20151664), (13, 15501280), (16, 12594790), (17, 11853920), (20, 10075832), (26, 7750640), (32, 6297395), (34, 5926960), (40, 5037916), (41, 4915040), (52, 3875320), (65, 3100256), (68, 2963480), (80, 2518958), (82, 2457520), (85, 2370784), (104, 1937660), (130, 1550128), (136, 1481740), (139, 1449760), (160, 1259479), (164, 1228760), (170, 1185392), (205, 983008), (208, 968830), (221, 911840), (260, 775064), (272, 740870), (278, 724880), (328, 614380), (340, 592696), (410, 491504), (416, 484415), (442, 455920), (520, 387532), (533, 378080), (544, 370435), (556, 362440), (656, 307190), (680, 296348), (695, 289952), (697, 289120), (820, 245752), (884, 227960), (1040, 193766), (1066, 189040), (1105, 182368), (1112, 181220), (1312, 153595), (1360, 148174), (1390, 144976), (1394, 144560), (1640, 122876), (1768, 113980), (1807, 111520), (2080, 96883), (2132, 94520), (2210, 91184), (2224, 90610), (2363, 85280), (2665, 75616), (2720, 74087), (2780, 72488), (2788, 72280), (3280, 61438), (3485, 57824), (3536, 56990), (3614, 55760), (4264, 47260), (4420, 45592), (4448, 45305), (4726, 42640), (5330, 37808), (5560, 36244), (5576, 36140), (5699, 35360), (6560, 30719), (6970, 28912), (7072, 28495), (7228, 27880), (8528, 23630), (8840, 22796), (9035, 22304), (9061, 22240), (9452, 21320), (10660, 18904), (11120, 18122), (11152, 18070), (11398, 17680), (11815, 17056), (13940, 14456)]