220292460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 240

約数和(自身を含む): 772057440

約数和(自身を除く): 551764980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 81, 85, 90, 95, 102, 108, 114, 135, 153, 162, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 323, 324, 340, 342, 380, 405, 421, 459, 510, 513, 540, 570, 612, 646, 684, 765, 810, 842, 855, 918, 969, 1020, 1026, 1140, 1263, 1292, 1377, 1530, 1539, 1615, 1620, 1684, 1710, 1836, 1938, 2052, 2105, 2295, 2526, 2565, 2754, 2907, 3060, 3078, 3230, 3420, 3789, 3876, 4210, 4590, 4845, 5052, 5130, 5508, 5814, 6156, 6315, 6460, 6885, 7157, 7578, 7695, 7999, 8420, 8721, 9180, 9690, 10260, 11367, 11628, 12630, 13770, 14314, 14535, 15156, 15390, 15998, 17442, 18945, 19380, 21471, 22734, 23997, 25260, 26163, 27540, 28628, 29070, 30780, 31996, 34101, 34884, 35785, 37890, 39995, 42942, 43605, 45468, 47994, 52326, 56835, 58140, 64413, 68202, 71570, 71991, 75780, 79990, 85884, 87210, 95988, 104652, 107355, 113670, 119985, 128826, 130815, 135983, 136404, 143140, 143982, 159980, 170505, 174420, 193239, 214710, 215973, 227340, 239970, 257652, 261630, 271966, 287964, 322065, 341010, 359955, 386478, 407949, 429420, 431946, 479940, 523260, 543932, 579717, 644130, 647919, 679915, 682020, 719910, 772956, 815898, 863892, 966195, 1079865, 1159434, 1223847, 1288260, 1295838, 1359830, 1439820, 1631796, 1932390, 2039745, 2159730, 2318868, 2447694, 2591676, 2719660, 2898585, 3239595, 3671541, 3864780, 4079490, 4319460, 4895388, 5797170, 6119235, 6479190, 7343082, 8158980, 11014623, 11594340, 12238470, 12958380, 14686164, 18357705, 22029246, 24476940, 36715410, 44058492, 55073115, 73430820, 110146230, 220292460]

約数ペア:

[(1, 220292460), (2, 110146230), (3, 73430820), (4, 55073115), (5, 44058492), (6, 36715410), (9, 24476940), (10, 22029246), (12, 18357705), (15, 14686164), (17, 12958380), (18, 12238470), (19, 11594340), (20, 11014623), (27, 8158980), (30, 7343082), (34, 6479190), (36, 6119235), (38, 5797170), (45, 4895388), (51, 4319460), (54, 4079490), (57, 3864780), (60, 3671541), (68, 3239595), (76, 2898585), (81, 2719660), (85, 2591676), (90, 2447694), (95, 2318868), (102, 2159730), (108, 2039745), (114, 1932390), (135, 1631796), (153, 1439820), (162, 1359830), (170, 1295838), (171, 1288260), (180, 1223847), (190, 1159434), (204, 1079865), (228, 966195), (255, 863892), (270, 815898), (285, 772956), (306, 719910), (323, 682020), (324, 679915), (340, 647919), (342, 644130), (380, 579717), (405, 543932), (421, 523260), (459, 479940), (510, 431946), (513, 429420), (540, 407949), (570, 386478), (612, 359955), (646, 341010), (684, 322065), (765, 287964), (810, 271966), (842, 261630), (855, 257652), (918, 239970), (969, 227340), (1020, 215973), (1026, 214710), (1140, 193239), (1263, 174420), (1292, 170505), (1377, 159980), (1530, 143982), (1539, 143140), (1615, 136404), (1620, 135983), (1684, 130815), (1710, 128826), (1836, 119985), (1938, 113670), (2052, 107355), (2105, 104652), (2295, 95988), (2526, 87210), (2565, 85884), (2754, 79990), (2907, 75780), (3060, 71991), (3078, 71570), (3230, 68202), (3420, 64413), (3789, 58140), (3876, 56835), (4210, 52326), (4590, 47994), (4845, 45468), (5052, 43605), (5130, 42942), (5508, 39995), (5814, 37890), (6156, 35785), (6315, 34884), (6460, 34101), (6885, 31996), (7157, 30780), (7578, 29070), (7695, 28628), (7999, 27540), (8420, 26163), (8721, 25260), (9180, 23997), (9690, 22734), (10260, 21471), (11367, 19380), (11628, 18945), (12630, 17442), (13770, 15998), (14314, 15390), (14535, 15156)]