1228020160

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:271

約数の個数: 168

約数和(自身を含む): 3289371120

約数和(自身を除く): 2061350960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 109, 136, 152, 160, 170, 190, 218, 272, 304, 320, 323, 340, 380, 436, 544, 545, 608, 646, 680, 760, 872, 1088, 1090, 1216, 1292, 1360, 1520, 1615, 1744, 1853, 2071, 2180, 2584, 2720, 3040, 3230, 3488, 3706, 4142, 4360, 5168, 5440, 6080, 6460, 6976, 7412, 8284, 8720, 9265, 10336, 10355, 11881, 12920, 14824, 16568, 17440, 18530, 20672, 20710, 23762, 25840, 29648, 33136, 34880, 35207, 37060, 41420, 47524, 51680, 59296, 59405, 66272, 70414, 74120, 82840, 95048, 103360, 118592, 118810, 132544, 140828, 148240, 165680, 176035, 190096, 201977, 225739, 237620, 281656, 296480, 331360, 352070, 380192, 403954, 451478, 475240, 563312, 592960, 662720, 704140, 760384, 807908, 902956, 950480, 1009885, 1126624, 1128695, 1408280, 1615816, 1805912, 1900960, 2019770, 2253248, 2257390, 2816560, 3231632, 3611824, 3801920, 3837563, 4039540, 4514780, 5633120, 6463264, 7223648, 7675126, 8079080, 9029560, 11266240, 12926528, 14447296, 15350252, 16158160, 18059120, 19187815, 30700504, 32316320, 36118240, 38375630, 61401008, 64632640, 72236480, 76751260, 122802016, 153502520, 245604032, 307005040, 614010080, 1228020160]

約数ペア:

[(1, 1228020160), (2, 614010080), (4, 307005040), (5, 245604032), (8, 153502520), (10, 122802016), (16, 76751260), (17, 72236480), (19, 64632640), (20, 61401008), (32, 38375630), (34, 36118240), (38, 32316320), (40, 30700504), (64, 19187815), (68, 18059120), (76, 16158160), (80, 15350252), (85, 14447296), (95, 12926528), (109, 11266240), (136, 9029560), (152, 8079080), (160, 7675126), (170, 7223648), (190, 6463264), (218, 5633120), (272, 4514780), (304, 4039540), (320, 3837563), (323, 3801920), (340, 3611824), (380, 3231632), (436, 2816560), (544, 2257390), (545, 2253248), (608, 2019770), (646, 1900960), (680, 1805912), (760, 1615816), (872, 1408280), (1088, 1128695), (1090, 1126624), (1216, 1009885), (1292, 950480), (1360, 902956), (1520, 807908), (1615, 760384), (1744, 704140), (1853, 662720), (2071, 592960), (2180, 563312), (2584, 475240), (2720, 451478), (3040, 403954), (3230, 380192), (3488, 352070), (3706, 331360), (4142, 296480), (4360, 281656), (5168, 237620), (5440, 225739), (6080, 201977), (6460, 190096), (6976, 176035), (7412, 165680), (8284, 148240), (8720, 140828), (9265, 132544), (10336, 118810), (10355, 118592), (11881, 103360), (12920, 95048), (14824, 82840), (16568, 74120), (17440, 70414), (18530, 66272), (20672, 59405), (20710, 59296), (23762, 51680), (25840, 47524), (29648, 41420), (33136, 37060), (34880, 35207)]