1561162400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1871}}^1$

素因数の和:2047

約数の個数: 144

約数和(自身を含む): 4387219200

約数和(自身を除く): 2826056800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 149, 160, 175, 200, 224, 280, 298, 350, 400, 560, 596, 700, 745, 800, 1043, 1120, 1192, 1400, 1490, 1871, 2086, 2384, 2800, 2980, 3725, 3742, 4172, 4768, 5215, 5600, 5960, 7450, 7484, 8344, 9355, 10430, 11920, 13097, 14900, 14968, 16688, 18710, 20860, 23840, 26075, 26194, 29800, 29936, 33376, 37420, 41720, 46775, 52150, 52388, 59600, 59872, 65485, 74840, 83440, 93550, 104300, 104776, 119200, 130970, 149680, 166880, 187100, 208600, 209552, 261940, 278779, 299360, 327425, 374200, 417200, 419104, 523880, 557558, 654850, 748400, 834400, 1047760, 1115116, 1309700, 1393895, 1496800, 1951453, 2095520, 2230232, 2619400, 2787790, 3902906, 4460464, 5238800, 5575580, 6969475, 7805812, 8920928, 9757265, 10477600, 11151160, 13938950, 15611624, 19514530, 22302320, 27877900, 31223248, 39029060, 44604640, 48786325, 55755800, 62446496, 78058120, 97572650, 111511600, 156116240, 195145300, 223023200, 312232480, 390290600, 780581200, 1561162400]

約数ペア:

[(1, 1561162400), (2, 780581200), (4, 390290600), (5, 312232480), (7, 223023200), (8, 195145300), (10, 156116240), (14, 111511600), (16, 97572650), (20, 78058120), (25, 62446496), (28, 55755800), (32, 48786325), (35, 44604640), (40, 39029060), (50, 31223248), (56, 27877900), (70, 22302320), (80, 19514530), (100, 15611624), (112, 13938950), (140, 11151160), (149, 10477600), (160, 9757265), (175, 8920928), (200, 7805812), (224, 6969475), (280, 5575580), (298, 5238800), (350, 4460464), (400, 3902906), (560, 2787790), (596, 2619400), (700, 2230232), (745, 2095520), (800, 1951453), (1043, 1496800), (1120, 1393895), (1192, 1309700), (1400, 1115116), (1490, 1047760), (1871, 834400), (2086, 748400), (2384, 654850), (2800, 557558), (2980, 523880), (3725, 419104), (3742, 417200), (4172, 374200), (4768, 327425), (5215, 299360), (5600, 278779), (5960, 261940), (7450, 209552), (7484, 208600), (8344, 187100), (9355, 166880), (10430, 149680), (11920, 130970), (13097, 119200), (14900, 104776), (14968, 104300), (16688, 93550), (18710, 83440), (20860, 74840), (23840, 65485), (26075, 59872), (26194, 59600), (29800, 52388), (29936, 52150), (33376, 46775), (37420, 41720)]