205725920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 551577600

約数和(自身を除く): 345851680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 37, 38, 40, 59, 62, 74, 76, 80, 95, 118, 124, 148, 152, 155, 160, 185, 190, 236, 248, 295, 296, 304, 310, 370, 380, 472, 496, 589, 590, 592, 608, 620, 703, 740, 760, 944, 992, 1121, 1147, 1178, 1180, 1184, 1240, 1406, 1480, 1520, 1829, 1888, 2183, 2242, 2294, 2356, 2360, 2480, 2812, 2945, 2960, 3040, 3515, 3658, 4366, 4484, 4588, 4712, 4720, 4960, 5605, 5624, 5735, 5890, 5920, 7030, 7316, 8732, 8968, 9145, 9176, 9424, 9440, 10915, 11210, 11248, 11470, 11780, 14060, 14632, 17464, 17936, 18290, 18352, 18848, 21793, 21830, 22420, 22496, 22940, 23560, 28120, 29264, 34751, 34928, 35872, 36580, 36704, 41477, 43586, 43660, 44840, 45880, 47120, 56240, 58528, 67673, 69502, 69856, 73160, 82954, 87172, 87320, 89680, 91760, 94240, 108965, 112480, 135346, 139004, 146320, 165908, 173755, 174344, 174640, 179360, 183520, 207385, 217930, 270692, 278008, 292640, 331816, 338365, 347510, 348688, 349280, 414770, 435860, 541384, 556016, 663632, 676730, 695020, 697376, 829540, 871720, 1082768, 1112032, 1285787, 1327264, 1353460, 1390040, 1659080, 1743440, 2165536, 2571574, 2706920, 2780080, 3318160, 3486880, 5143148, 5413840, 5560160, 6428935, 6636320, 10286296, 10827680, 12857870, 20572592, 25715740, 41145184, 51431480, 102862960, 205725920]

約数ペア:

[(1, 205725920), (2, 102862960), (4, 51431480), (5, 41145184), (8, 25715740), (10, 20572592), (16, 12857870), (19, 10827680), (20, 10286296), (31, 6636320), (32, 6428935), (37, 5560160), (38, 5413840), (40, 5143148), (59, 3486880), (62, 3318160), (74, 2780080), (76, 2706920), (80, 2571574), (95, 2165536), (118, 1743440), (124, 1659080), (148, 1390040), (152, 1353460), (155, 1327264), (160, 1285787), (185, 1112032), (190, 1082768), (236, 871720), (248, 829540), (295, 697376), (296, 695020), (304, 676730), (310, 663632), (370, 556016), (380, 541384), (472, 435860), (496, 414770), (589, 349280), (590, 348688), (592, 347510), (608, 338365), (620, 331816), (703, 292640), (740, 278008), (760, 270692), (944, 217930), (992, 207385), (1121, 183520), (1147, 179360), (1178, 174640), (1180, 174344), (1184, 173755), (1240, 165908), (1406, 146320), (1480, 139004), (1520, 135346), (1829, 112480), (1888, 108965), (2183, 94240), (2242, 91760), (2294, 89680), (2356, 87320), (2360, 87172), (2480, 82954), (2812, 73160), (2945, 69856), (2960, 69502), (3040, 67673), (3515, 58528), (3658, 56240), (4366, 47120), (4484, 45880), (4588, 44840), (4712, 43660), (4720, 43586), (4960, 41477), (5605, 36704), (5624, 36580), (5735, 35872), (5890, 34928), (5920, 34751), (7030, 29264), (7316, 28120), (8732, 23560), (8968, 22940), (9145, 22496), (9176, 22420), (9424, 21830), (9440, 21793), (10915, 18848), (11210, 18352), (11248, 18290), (11470, 17936), (11780, 17464), (14060, 14632)]