20858548140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{3169}}^1$

素因数の和:3446

約数の個数: 240

約数和(自身を含む): 69594940800

約数和(自身を除く): 48736392660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 239, 255, 270, 306, 324, 340, 405, 459, 478, 510, 540, 612, 717, 765, 810, 918, 956, 1020, 1195, 1377, 1434, 1530, 1620, 1836, 2151, 2295, 2390, 2754, 2868, 3060, 3169, 3585, 4063, 4302, 4590, 4780, 5508, 6338, 6453, 6885, 7170, 8126, 8604, 9180, 9507, 10755, 12189, 12676, 12906, 13770, 14340, 15845, 16252, 19014, 19359, 20315, 21510, 24378, 25812, 27540, 28521, 31690, 32265, 36567, 38028, 38718, 40630, 43020, 47535, 48756, 53873, 57042, 60945, 63380, 64530, 73134, 77436, 81260, 85563, 95070, 96795, 107746, 109701, 114084, 121890, 129060, 142605, 146268, 161619, 171126, 182835, 190140, 193590, 215492, 219402, 243780, 256689, 269365, 285210, 323238, 329103, 342252, 365670, 387180, 427815, 438804, 484857, 513378, 538730, 548505, 570420, 646476, 658206, 731340, 757391, 808095, 855630, 969714, 1026756, 1077460, 1097010, 1283445, 1316412, 1454571, 1514782, 1616190, 1645515, 1711260, 1939428, 2194020, 2272173, 2424285, 2566890, 2909142, 3029564, 3232380, 3291030, 3786955, 4363713, 4544346, 4848570, 5133780, 5818284, 6582060, 6816519, 7272855, 7573910, 8727426, 9088692, 9697140, 11360865, 12875647, 13633038, 14545710, 15147820, 17454852, 20449557, 21818565, 22721730, 25751294, 27266076, 29091420, 34082595, 38626941, 40899114, 43637130, 45443460, 51502588, 61348671, 64378235, 68165190, 77253882, 81798228, 87274260, 102247785, 115880823, 122697342, 128756470, 136330380, 154507764, 193134705, 204495570, 231761646, 245394684, 257512940, 306743355, 347642469, 386269410, 408991140, 463523292, 579404115, 613486710, 695284938, 772538820, 1042927407, 1158808230, 1226973420, 1390569876, 1738212345, 2085854814, 2317616460, 3476424690, 4171709628, 5214637035, 6952849380, 10429274070, 20858548140]

約数ペア:

[(1, 20858548140), (2, 10429274070), (3, 6952849380), (4, 5214637035), (5, 4171709628), (6, 3476424690), (9, 2317616460), (10, 2085854814), (12, 1738212345), (15, 1390569876), (17, 1226973420), (18, 1158808230), (20, 1042927407), (27, 772538820), (30, 695284938), (34, 613486710), (36, 579404115), (45, 463523292), (51, 408991140), (54, 386269410), (60, 347642469), (68, 306743355), (81, 257512940), (85, 245394684), (90, 231761646), (102, 204495570), (108, 193134705), (135, 154507764), (153, 136330380), (162, 128756470), (170, 122697342), (180, 115880823), (204, 102247785), (239, 87274260), (255, 81798228), (270, 77253882), (306, 68165190), (324, 64378235), (340, 61348671), (405, 51502588), (459, 45443460), (478, 43637130), (510, 40899114), (540, 38626941), (612, 34082595), (717, 29091420), (765, 27266076), (810, 25751294), (918, 22721730), (956, 21818565), (1020, 20449557), (1195, 17454852), (1377, 15147820), (1434, 14545710), (1530, 13633038), (1620, 12875647), (1836, 11360865), (2151, 9697140), (2295, 9088692), (2390, 8727426), (2754, 7573910), (2868, 7272855), (3060, 6816519), (3169, 6582060), (3585, 5818284), (4063, 5133780), (4302, 4848570), (4590, 4544346), (4780, 4363713), (5508, 3786955), (6338, 3291030), (6453, 3232380), (6885, 3029564), (7170, 2909142), (8126, 2566890), (8604, 2424285), (9180, 2272173), (9507, 2194020), (10755, 1939428), (12189, 1711260), (12676, 1645515), (12906, 1616190), (13770, 1514782), (14340, 1454571), (15845, 1316412), (16252, 1283445), (19014, 1097010), (19359, 1077460), (20315, 1026756), (21510, 969714), (24378, 855630), (25812, 808095), (27540, 757391), (28521, 731340), (31690, 658206), (32265, 646476), (36567, 570420), (38028, 548505), (38718, 538730), (40630, 513378), (43020, 484857), (47535, 438804), (48756, 427815), (53873, 387180), (57042, 365670), (60945, 342252), (63380, 329103), (64530, 323238), (73134, 285210), (77436, 269365), (81260, 256689), (85563, 243780), (95070, 219402), (96795, 215492), (107746, 193590), (109701, 190140), (114084, 182835), (121890, 171126), (129060, 161619), (142605, 146268)]