408689120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 1161216000

約数和(自身を除く): 752526880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 79, 80, 112, 124, 140, 149, 155, 158, 160, 217, 224, 248, 280, 298, 310, 316, 395, 434, 496, 553, 560, 596, 620, 632, 745, 790, 868, 992, 1043, 1085, 1106, 1120, 1192, 1240, 1264, 1490, 1580, 1736, 2086, 2170, 2212, 2384, 2449, 2480, 2528, 2765, 2980, 3160, 3472, 4172, 4340, 4424, 4619, 4768, 4898, 4960, 5215, 5530, 5960, 6320, 6944, 8344, 8680, 8848, 9238, 9796, 10430, 11060, 11771, 11920, 12245, 12640, 16688, 17143, 17360, 17696, 18476, 19592, 20860, 22120, 23095, 23542, 23840, 24490, 32333, 33376, 34286, 34720, 36952, 39184, 41720, 44240, 46190, 47084, 48980, 58855, 64666, 68572, 73904, 78368, 82397, 83440, 85715, 88480, 92380, 94168, 97960, 117710, 129332, 137144, 147808, 161665, 164794, 166880, 171430, 184760, 188336, 195920, 235420, 258664, 274288, 323330, 329588, 342860, 364901, 369520, 376672, 391840, 411985, 470840, 517328, 548576, 646660, 659176, 685720, 729802, 739040, 823970, 941680, 1034656, 1293320, 1318352, 1371440, 1459604, 1647940, 1824505, 1883360, 2554307, 2586640, 2636704, 2742880, 2919208, 3295880, 3649010, 5108614, 5173280, 5838416, 6591760, 7298020, 10217228, 11676832, 12771535, 13183520, 14596040, 20434456, 25543070, 29192080, 40868912, 51086140, 58384160, 81737824, 102172280, 204344560, 408689120]

約数ペア:

[(1, 408689120), (2, 204344560), (4, 102172280), (5, 81737824), (7, 58384160), (8, 51086140), (10, 40868912), (14, 29192080), (16, 25543070), (20, 20434456), (28, 14596040), (31, 13183520), (32, 12771535), (35, 11676832), (40, 10217228), (56, 7298020), (62, 6591760), (70, 5838416), (79, 5173280), (80, 5108614), (112, 3649010), (124, 3295880), (140, 2919208), (149, 2742880), (155, 2636704), (158, 2586640), (160, 2554307), (217, 1883360), (224, 1824505), (248, 1647940), (280, 1459604), (298, 1371440), (310, 1318352), (316, 1293320), (395, 1034656), (434, 941680), (496, 823970), (553, 739040), (560, 729802), (596, 685720), (620, 659176), (632, 646660), (745, 548576), (790, 517328), (868, 470840), (992, 411985), (1043, 391840), (1085, 376672), (1106, 369520), (1120, 364901), (1192, 342860), (1240, 329588), (1264, 323330), (1490, 274288), (1580, 258664), (1736, 235420), (2086, 195920), (2170, 188336), (2212, 184760), (2384, 171430), (2449, 166880), (2480, 164794), (2528, 161665), (2765, 147808), (2980, 137144), (3160, 129332), (3472, 117710), (4172, 97960), (4340, 94168), (4424, 92380), (4619, 88480), (4768, 85715), (4898, 83440), (4960, 82397), (5215, 78368), (5530, 73904), (5960, 68572), (6320, 64666), (6944, 58855), (8344, 48980), (8680, 47084), (8848, 46190), (9238, 44240), (9796, 41720), (10430, 39184), (11060, 36952), (11771, 34720), (11920, 34286), (12245, 33376), (12640, 32333), (16688, 24490), (17143, 23840), (17360, 23542), (17696, 23095), (18476, 22120), (19592, 20860)]