20237782500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{23063}}^1$

素因数の和:23109

約数の個数: 240

約数和(自身を含む): 70610897280

約数和(自身を除く): 50373114780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 125, 130, 135, 150, 156, 180, 195, 225, 234, 250, 260, 270, 300, 325, 351, 375, 390, 450, 468, 500, 540, 585, 625, 650, 675, 702, 750, 780, 900, 975, 1125, 1170, 1250, 1300, 1350, 1404, 1500, 1625, 1755, 1875, 1950, 2250, 2340, 2500, 2700, 2925, 3250, 3375, 3510, 3750, 3900, 4500, 4875, 5625, 5850, 6500, 6750, 7020, 7500, 8125, 8775, 9750, 11250, 11700, 13500, 14625, 16250, 16875, 17550, 19500, 22500, 23063, 24375, 29250, 32500, 33750, 35100, 43875, 46126, 48750, 58500, 67500, 69189, 73125, 87750, 92252, 97500, 115315, 138378, 146250, 175500, 207567, 219375, 230630, 276756, 292500, 299819, 345945, 415134, 438750, 461260, 576575, 599638, 622701, 691890, 830268, 877500, 899457, 1037835, 1153150, 1199276, 1245402, 1383780, 1499095, 1729725, 1798914, 2075670, 2306300, 2490804, 2698371, 2882875, 2998190, 3113505, 3459450, 3597828, 4151340, 4497285, 5189175, 5396742, 5765750, 5996380, 6227010, 6918900, 7495475, 8095113, 8648625, 8994570, 10378350, 10793484, 11531500, 12454020, 13491855, 14414375, 14990950, 15567525, 16190226, 17297250, 17989140, 20756700, 22486425, 25945875, 26983710, 28828750, 29981900, 31135050, 32380452, 34594500, 37477375, 40475565, 43243125, 44972850, 51891750, 53967420, 57657500, 62270100, 67459275, 74954750, 77837625, 80951130, 86486250, 89945700, 103783500, 112432125, 129729375, 134918550, 149909500, 155675250, 161902260, 172972500, 187386875, 202377825, 224864250, 259458750, 269837100, 311350500, 337296375, 374773750, 389188125, 404755650, 449728500, 518917500, 562160625, 674592750, 749547500, 778376250, 809511300, 1011889125, 1124321250, 1349185500, 1556752500, 1686481875, 2023778250, 2248642500, 3372963750, 4047556500, 5059445625, 6745927500, 10118891250, 20237782500]

約数ペア:

[(1, 20237782500), (2, 10118891250), (3, 6745927500), (4, 5059445625), (5, 4047556500), (6, 3372963750), (9, 2248642500), (10, 2023778250), (12, 1686481875), (13, 1556752500), (15, 1349185500), (18, 1124321250), (20, 1011889125), (25, 809511300), (26, 778376250), (27, 749547500), (30, 674592750), (36, 562160625), (39, 518917500), (45, 449728500), (50, 404755650), (52, 389188125), (54, 374773750), (60, 337296375), (65, 311350500), (75, 269837100), (78, 259458750), (90, 224864250), (100, 202377825), (108, 187386875), (117, 172972500), (125, 161902260), (130, 155675250), (135, 149909500), (150, 134918550), (156, 129729375), (180, 112432125), (195, 103783500), (225, 89945700), (234, 86486250), (250, 80951130), (260, 77837625), (270, 74954750), (300, 67459275), (325, 62270100), (351, 57657500), (375, 53967420), (390, 51891750), (450, 44972850), (468, 43243125), (500, 40475565), (540, 37477375), (585, 34594500), (625, 32380452), (650, 31135050), (675, 29981900), (702, 28828750), (750, 26983710), (780, 25945875), (900, 22486425), (975, 20756700), (1125, 17989140), (1170, 17297250), (1250, 16190226), (1300, 15567525), (1350, 14990950), (1404, 14414375), (1500, 13491855), (1625, 12454020), (1755, 11531500), (1875, 10793484), (1950, 10378350), (2250, 8994570), (2340, 8648625), (2500, 8095113), (2700, 7495475), (2925, 6918900), (3250, 6227010), (3375, 5996380), (3510, 5765750), (3750, 5396742), (3900, 5189175), (4500, 4497285), (4875, 4151340), (5625, 3597828), (5850, 3459450), (6500, 3113505), (6750, 2998190), (7020, 2882875), (7500, 2698371), (8125, 2490804), (8775, 2306300), (9750, 2075670), (11250, 1798914), (11700, 1729725), (13500, 1499095), (14625, 1383780), (16250, 1245402), (16875, 1199276), (17550, 1153150), (19500, 1037835), (22500, 899457), (23063, 877500), (24375, 830268), (29250, 691890), (32500, 622701), (33750, 599638), (35100, 576575), (43875, 461260), (46126, 438750), (48750, 415134), (58500, 345945), (67500, 299819), (69189, 292500), (73125, 276756), (87750, 230630), (92252, 219375), (97500, 207567), (115315, 175500), (138378, 146250)]