2019955560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 256

約数和(自身を含む): 7244121600

約数和(自身を除く): 5224166040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 101, 105, 116, 120, 140, 145, 168, 174, 202, 203, 210, 232, 280, 290, 303, 348, 404, 406, 420, 435, 505, 580, 606, 609, 696, 707, 808, 812, 821, 840, 870, 1010, 1015, 1160, 1212, 1218, 1414, 1515, 1624, 1642, 1740, 2020, 2030, 2121, 2424, 2436, 2463, 2828, 2929, 3030, 3045, 3284, 3480, 3535, 4040, 4060, 4105, 4242, 4872, 4926, 5656, 5747, 5858, 6060, 6090, 6568, 7070, 8120, 8210, 8484, 8787, 9852, 10605, 11494, 11716, 12120, 12180, 12315, 14140, 14645, 16420, 16968, 17241, 17574, 19704, 20503, 21210, 22988, 23432, 23809, 24360, 24630, 28280, 28735, 29290, 32840, 34482, 35148, 41006, 42420, 43935, 45976, 47618, 49260, 57470, 58580, 61509, 68964, 70296, 71427, 82012, 82921, 84840, 86205, 87870, 95236, 98520, 102515, 114940, 117160, 119045, 123018, 137928, 142854, 164024, 165842, 166663, 172410, 175740, 190472, 205030, 229880, 238090, 246036, 248763, 285708, 307545, 331684, 333326, 344820, 351480, 357135, 410060, 414605, 476180, 492072, 497526, 499989, 571416, 580447, 615090, 663368, 666652, 689640, 714270, 820120, 829210, 833315, 952360, 995052, 999978, 1160894, 1230180, 1243815, 1333304, 1428540, 1658420, 1666630, 1741341, 1990104, 1999956, 2321788, 2404709, 2460360, 2487630, 2499945, 2857080, 2902235, 3316840, 3333260, 3482682, 3999912, 4643576, 4809418, 4975260, 4999890, 5804470, 6666520, 6965364, 7214127, 8706705, 9618836, 9950520, 9999780, 11608940, 12023545, 13930728, 14428254, 16832963, 17413410, 19237672, 19999560, 23217880, 24047090, 28856508, 33665926, 34826820, 36070635, 48094180, 50498889, 57713016, 67331852, 69653640, 72141270, 84164815, 96188360, 100997778, 134663704, 144282540, 168329630, 201995556, 252494445, 288565080, 336659260, 403991112, 504988890, 673318520, 1009977780, 2019955560]

約数ペア:

[(1, 2019955560), (2, 1009977780), (3, 673318520), (4, 504988890), (5, 403991112), (6, 336659260), (7, 288565080), (8, 252494445), (10, 201995556), (12, 168329630), (14, 144282540), (15, 134663704), (20, 100997778), (21, 96188360), (24, 84164815), (28, 72141270), (29, 69653640), (30, 67331852), (35, 57713016), (40, 50498889), (42, 48094180), (56, 36070635), (58, 34826820), (60, 33665926), (70, 28856508), (84, 24047090), (87, 23217880), (101, 19999560), (105, 19237672), (116, 17413410), (120, 16832963), (140, 14428254), (145, 13930728), (168, 12023545), (174, 11608940), (202, 9999780), (203, 9950520), (210, 9618836), (232, 8706705), (280, 7214127), (290, 6965364), (303, 6666520), (348, 5804470), (404, 4999890), (406, 4975260), (420, 4809418), (435, 4643576), (505, 3999912), (580, 3482682), (606, 3333260), (609, 3316840), (696, 2902235), (707, 2857080), (808, 2499945), (812, 2487630), (821, 2460360), (840, 2404709), (870, 2321788), (1010, 1999956), (1015, 1990104), (1160, 1741341), (1212, 1666630), (1218, 1658420), (1414, 1428540), (1515, 1333304), (1624, 1243815), (1642, 1230180), (1740, 1160894), (2020, 999978), (2030, 995052), (2121, 952360), (2424, 833315), (2436, 829210), (2463, 820120), (2828, 714270), (2929, 689640), (3030, 666652), (3045, 663368), (3284, 615090), (3480, 580447), (3535, 571416), (4040, 499989), (4060, 497526), (4105, 492072), (4242, 476180), (4872, 414605), (4926, 410060), (5656, 357135), (5747, 351480), (5858, 344820), (6060, 333326), (6090, 331684), (6568, 307545), (7070, 285708), (8120, 248763), (8210, 246036), (8484, 238090), (8787, 229880), (9852, 205030), (10605, 190472), (11494, 175740), (11716, 172410), (12120, 166663), (12180, 165842), (12315, 164024), (14140, 142854), (14645, 137928), (16420, 123018), (16968, 119045), (17241, 117160), (17574, 114940), (19704, 102515), (20503, 98520), (21210, 95236), (22988, 87870), (23432, 86205), (23809, 84840), (24360, 82921), (24630, 82012), (28280, 71427), (28735, 70296), (29290, 68964), (32840, 61509), (34482, 58580), (35148, 57470), (41006, 49260), (42420, 47618), (43935, 45976)]