205271820

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:81

約数の個数: 288

約数和(自身を含む): 734811840

約数和(自身を除く): 529540020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 243, 247, 260, 270, 285, 324, 342, 351, 361, 380, 390, 405, 468, 486, 494, 513, 540, 570, 585, 684, 702, 722, 729, 741, 780, 810, 855, 972, 988, 1026, 1053, 1083, 1140, 1170, 1215, 1235, 1404, 1444, 1458, 1482, 1539, 1620, 1710, 1755, 1805, 2052, 2106, 2166, 2187, 2223, 2340, 2430, 2470, 2565, 2916, 2964, 3078, 3159, 3249, 3420, 3510, 3610, 3645, 3705, 4212, 4332, 4374, 4446, 4617, 4693, 4860, 4940, 5130, 5265, 5415, 6156, 6318, 6498, 6669, 7020, 7220, 7290, 7410, 7695, 8748, 8892, 9234, 9386, 9477, 9747, 10260, 10530, 10830, 10935, 11115, 12636, 12996, 13338, 13851, 14079, 14580, 14820, 15390, 15795, 16245, 18468, 18772, 18954, 19494, 20007, 21060, 21660, 21870, 22230, 23085, 23465, 26676, 27702, 28158, 28431, 29241, 30780, 31590, 32490, 33345, 37908, 38988, 40014, 41553, 42237, 43740, 44460, 46170, 46930, 47385, 48735, 55404, 56316, 56862, 58482, 60021, 63180, 64980, 66690, 69255, 70395, 80028, 83106, 84474, 87723, 92340, 93860, 94770, 97470, 100035, 113724, 116964, 120042, 126711, 133380, 138510, 140790, 142155, 146205, 166212, 168948, 175446, 180063, 189540, 194940, 200070, 207765, 211185, 240084, 253422, 263169, 277020, 281580, 284310, 292410, 300105, 350892, 360126, 380133, 400140, 415530, 422370, 438615, 506844, 526338, 540189, 568620, 584820, 600210, 633555, 720252, 760266, 789507, 831060, 844740, 877230, 900315, 1052676, 1080378, 1140399, 1200420, 1267110, 1315845, 1520532, 1579014, 1754460, 1800630, 1900665, 2160756, 2280798, 2534220, 2631690, 2700945, 3158028, 3421197, 3601260, 3801330, 3947535, 4561596, 5263380, 5401890, 5701995, 6842394, 7602660, 7895070, 10263591, 10803780, 11403990, 13684788, 15790140, 17105985, 20527182, 22807980, 34211970, 41054364, 51317955, 68423940, 102635910, 205271820]

約数ペア:

[(1, 205271820), (2, 102635910), (3, 68423940), (4, 51317955), (5, 41054364), (6, 34211970), (9, 22807980), (10, 20527182), (12, 17105985), (13, 15790140), (15, 13684788), (18, 11403990), (19, 10803780), (20, 10263591), (26, 7895070), (27, 7602660), (30, 6842394), (36, 5701995), (38, 5401890), (39, 5263380), (45, 4561596), (52, 3947535), (54, 3801330), (57, 3601260), (60, 3421197), (65, 3158028), (76, 2700945), (78, 2631690), (81, 2534220), (90, 2280798), (95, 2160756), (108, 1900665), (114, 1800630), (117, 1754460), (130, 1579014), (135, 1520532), (156, 1315845), (162, 1267110), (171, 1200420), (180, 1140399), (190, 1080378), (195, 1052676), (228, 900315), (234, 877230), (243, 844740), (247, 831060), (260, 789507), (270, 760266), (285, 720252), (324, 633555), (342, 600210), (351, 584820), (361, 568620), (380, 540189), (390, 526338), (405, 506844), (468, 438615), (486, 422370), (494, 415530), (513, 400140), (540, 380133), (570, 360126), (585, 350892), (684, 300105), (702, 292410), (722, 284310), (729, 281580), (741, 277020), (780, 263169), (810, 253422), (855, 240084), (972, 211185), (988, 207765), (1026, 200070), (1053, 194940), (1083, 189540), (1140, 180063), (1170, 175446), (1215, 168948), (1235, 166212), (1404, 146205), (1444, 142155), (1458, 140790), (1482, 138510), (1539, 133380), (1620, 126711), (1710, 120042), (1755, 116964), (1805, 113724), (2052, 100035), (2106, 97470), (2166, 94770), (2187, 93860), (2223, 92340), (2340, 87723), (2430, 84474), (2470, 83106), (2565, 80028), (2916, 70395), (2964, 69255), (3078, 66690), (3159, 64980), (3249, 63180), (3420, 60021), (3510, 58482), (3610, 56862), (3645, 56316), (3705, 55404), (4212, 48735), (4332, 47385), (4374, 46930), (4446, 46170), (4617, 44460), (4693, 43740), (4860, 42237), (4940, 41553), (5130, 40014), (5265, 38988), (5415, 37908), (6156, 33345), (6318, 32490), (6498, 31590), (6669, 30780), (7020, 29241), (7220, 28431), (7290, 28158), (7410, 27702), (7695, 26676), (8748, 23465), (8892, 23085), (9234, 22230), (9386, 21870), (9477, 21660), (9747, 21060), (10260, 20007), (10530, 19494), (10830, 18954), (10935, 18772), (11115, 18468), (12636, 16245), (12996, 15795), (13338, 15390), (13851, 14820), (14079, 14580)]