172863180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 288

約数和(自身を含む): 643507200

約数和(自身を除く): 470644020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 49, 54, 60, 63, 70, 84, 90, 94, 98, 105, 108, 126, 135, 139, 140, 141, 147, 180, 188, 189, 196, 210, 235, 245, 252, 270, 278, 282, 294, 315, 329, 378, 417, 420, 423, 441, 470, 490, 540, 556, 564, 588, 630, 658, 695, 705, 735, 756, 834, 846, 882, 940, 945, 973, 980, 987, 1251, 1260, 1269, 1316, 1323, 1390, 1410, 1470, 1645, 1668, 1692, 1764, 1890, 1946, 1974, 2085, 2115, 2205, 2303, 2502, 2538, 2646, 2780, 2820, 2919, 2940, 2961, 3290, 3753, 3780, 3892, 3948, 4170, 4230, 4410, 4606, 4865, 4935, 5004, 5076, 5292, 5838, 5922, 6255, 6345, 6533, 6580, 6615, 6811, 6909, 7506, 8340, 8460, 8757, 8820, 8883, 9212, 9730, 9870, 11515, 11676, 11844, 12510, 12690, 13066, 13230, 13622, 13818, 14595, 14805, 15012, 17514, 17766, 18765, 19460, 19599, 19740, 20433, 20727, 23030, 25020, 25380, 26132, 26271, 26460, 27244, 27636, 29190, 29610, 32665, 34055, 34545, 35028, 35532, 37530, 39198, 40866, 41454, 43785, 44415, 45731, 46060, 52542, 58380, 58797, 59220, 61299, 62181, 65330, 68110, 69090, 75060, 78396, 81732, 82908, 87570, 88830, 91462, 97995, 102165, 103635, 105084, 117594, 122598, 124362, 130660, 131355, 136220, 137193, 138180, 175140, 176391, 177660, 182924, 183897, 195990, 204330, 207270, 228655, 235188, 245196, 248724, 262710, 274386, 293985, 306495, 310905, 320117, 352782, 367794, 391980, 408660, 411579, 414540, 457310, 525420, 548772, 587970, 612990, 621810, 640234, 685965, 705564, 735588, 823158, 881955, 914620, 919485, 960351, 1175940, 1225980, 1234737, 1243620, 1280468, 1371930, 1600585, 1646316, 1763910, 1838970, 1920702, 2057895, 2469474, 2743860, 2881053, 3201170, 3527820, 3677940, 3841404, 4115790, 4801755, 4938948, 5762106, 6173685, 6402340, 8231580, 8643159, 9603510, 11524212, 12347370, 14405265, 17286318, 19207020, 24694740, 28810530, 34572636, 43215795, 57621060, 86431590, 172863180]

約数ペア:

[(1, 172863180), (2, 86431590), (3, 57621060), (4, 43215795), (5, 34572636), (6, 28810530), (7, 24694740), (9, 19207020), (10, 17286318), (12, 14405265), (14, 12347370), (15, 11524212), (18, 9603510), (20, 8643159), (21, 8231580), (27, 6402340), (28, 6173685), (30, 5762106), (35, 4938948), (36, 4801755), (42, 4115790), (45, 3841404), (47, 3677940), (49, 3527820), (54, 3201170), (60, 2881053), (63, 2743860), (70, 2469474), (84, 2057895), (90, 1920702), (94, 1838970), (98, 1763910), (105, 1646316), (108, 1600585), (126, 1371930), (135, 1280468), (139, 1243620), (140, 1234737), (141, 1225980), (147, 1175940), (180, 960351), (188, 919485), (189, 914620), (196, 881955), (210, 823158), (235, 735588), (245, 705564), (252, 685965), (270, 640234), (278, 621810), (282, 612990), (294, 587970), (315, 548772), (329, 525420), (378, 457310), (417, 414540), (420, 411579), (423, 408660), (441, 391980), (470, 367794), (490, 352782), (540, 320117), (556, 310905), (564, 306495), (588, 293985), (630, 274386), (658, 262710), (695, 248724), (705, 245196), (735, 235188), (756, 228655), (834, 207270), (846, 204330), (882, 195990), (940, 183897), (945, 182924), (973, 177660), (980, 176391), (987, 175140), (1251, 138180), (1260, 137193), (1269, 136220), (1316, 131355), (1323, 130660), (1390, 124362), (1410, 122598), (1470, 117594), (1645, 105084), (1668, 103635), (1692, 102165), (1764, 97995), (1890, 91462), (1946, 88830), (1974, 87570), (2085, 82908), (2115, 81732), (2205, 78396), (2303, 75060), (2502, 69090), (2538, 68110), (2646, 65330), (2780, 62181), (2820, 61299), (2919, 59220), (2940, 58797), (2961, 58380), (3290, 52542), (3753, 46060), (3780, 45731), (3892, 44415), (3948, 43785), (4170, 41454), (4230, 40866), (4410, 39198), (4606, 37530), (4865, 35532), (4935, 35028), (5004, 34545), (5076, 34055), (5292, 32665), (5838, 29610), (5922, 29190), (6255, 27636), (6345, 27244), (6533, 26460), (6580, 26271), (6615, 26132), (6811, 25380), (6909, 25020), (7506, 23030), (8340, 20727), (8460, 20433), (8757, 19740), (8820, 19599), (8883, 19460), (9212, 18765), (9730, 17766), (9870, 17514), (11515, 15012), (11676, 14805), (11844, 14595), (12510, 13818), (12690, 13622), (13066, 13230)]