1405673920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{653}}^1$

素因数の和:739

約数の個数: 168

約数和(自身を含む): 3958876512

約数和(自身を除く): 2553202592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 653, 868, 961, 992, 1085, 1120, 1240, 1306, 1736, 1922, 1984, 2170, 2240, 2480, 2612, 3265, 3472, 3844, 4340, 4571, 4805, 4960, 5224, 6530, 6727, 6944, 7688, 8680, 9142, 9610, 9920, 10448, 13060, 13454, 13888, 15376, 17360, 18284, 19220, 20243, 20896, 22855, 26120, 26908, 30752, 33635, 34720, 36568, 38440, 40486, 41792, 45710, 52240, 53816, 61504, 67270, 69440, 73136, 76880, 80972, 91420, 101215, 104480, 107632, 134540, 141701, 146272, 153760, 161944, 182840, 202430, 208960, 215264, 269080, 283402, 292544, 307520, 323888, 365680, 404860, 430528, 538160, 566804, 627533, 647776, 708505, 731360, 809720, 1076320, 1133608, 1255066, 1295552, 1417010, 1462720, 1619440, 2152640, 2267216, 2510132, 2834020, 3137665, 3238880, 4392731, 4534432, 5020264, 5668040, 6275330, 6477760, 8785462, 9068864, 10040528, 11336080, 12550660, 17570924, 20081056, 21963655, 22672160, 25101320, 35141848, 40162112, 43927310, 45344320, 50202640, 70283696, 87854620, 100405280, 140567392, 175709240, 200810560, 281134784, 351418480, 702836960, 1405673920]

約数ペア:

[(1, 1405673920), (2, 702836960), (4, 351418480), (5, 281134784), (7, 200810560), (8, 175709240), (10, 140567392), (14, 100405280), (16, 87854620), (20, 70283696), (28, 50202640), (31, 45344320), (32, 43927310), (35, 40162112), (40, 35141848), (56, 25101320), (62, 22672160), (64, 21963655), (70, 20081056), (80, 17570924), (112, 12550660), (124, 11336080), (140, 10040528), (155, 9068864), (160, 8785462), (217, 6477760), (224, 6275330), (248, 5668040), (280, 5020264), (310, 4534432), (320, 4392731), (434, 3238880), (448, 3137665), (496, 2834020), (560, 2510132), (620, 2267216), (653, 2152640), (868, 1619440), (961, 1462720), (992, 1417010), (1085, 1295552), (1120, 1255066), (1240, 1133608), (1306, 1076320), (1736, 809720), (1922, 731360), (1984, 708505), (2170, 647776), (2240, 627533), (2480, 566804), (2612, 538160), (3265, 430528), (3472, 404860), (3844, 365680), (4340, 323888), (4571, 307520), (4805, 292544), (4960, 283402), (5224, 269080), (6530, 215264), (6727, 208960), (6944, 202430), (7688, 182840), (8680, 161944), (9142, 153760), (9610, 146272), (9920, 141701), (10448, 134540), (13060, 107632), (13454, 104480), (13888, 101215), (15376, 91420), (17360, 80972), (18284, 76880), (19220, 73136), (20243, 69440), (20896, 67270), (22855, 61504), (26120, 53816), (26908, 52240), (30752, 45710), (33635, 41792), (34720, 40486), (36568, 38440)]