20346987200

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:692

約数の個数: 252

約数和(自身を含む): 53954537760

約数和(自身を除く): 33607550560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 79, 80, 85, 100, 136, 158, 160, 170, 200, 272, 289, 316, 320, 340, 395, 400, 425, 544, 557, 578, 632, 680, 790, 800, 850, 1088, 1114, 1156, 1264, 1343, 1360, 1445, 1580, 1600, 1700, 1975, 2228, 2312, 2528, 2686, 2720, 2785, 2890, 3160, 3400, 3950, 4456, 4624, 5056, 5372, 5440, 5570, 5780, 6320, 6715, 6800, 7225, 7900, 8912, 9248, 9469, 10744, 11140, 11560, 12640, 13430, 13600, 13925, 14450, 15800, 17824, 18496, 18938, 21488, 22280, 22831, 23120, 25280, 26860, 27200, 27850, 28900, 31600, 33575, 35648, 37876, 42976, 44003, 44560, 45662, 46240, 47345, 53720, 55700, 57800, 63200, 67150, 75752, 85952, 88006, 89120, 91324, 92480, 94690, 107440, 111400, 114155, 115600, 126400, 134300, 151504, 160973, 176012, 178240, 182648, 189380, 214880, 220015, 222800, 228310, 231200, 236725, 268600, 303008, 321946, 352024, 365296, 378760, 429760, 440030, 445600, 456620, 462400, 473450, 537200, 570775, 606016, 643892, 704048, 730592, 748051, 757520, 804865, 880060, 891200, 913240, 946900, 1074400, 1100075, 1141550, 1287784, 1408096, 1461184, 1496102, 1515040, 1609730, 1760120, 1826480, 1893800, 2148800, 2200150, 2283100, 2575568, 2816192, 2992204, 3030080, 3219460, 3520240, 3652960, 3740255, 3787600, 4024325, 4400300, 4566200, 5151136, 5984408, 6438920, 7040480, 7305920, 7480510, 7575200, 8048650, 8800600, 9132400, 10302272, 11968816, 12716867, 12877840, 14080960, 14961020, 15150400, 16097300, 17601200, 18264800, 18701275, 23937632, 25433734, 25755680, 29922040, 32194600, 35202400, 36529600, 37402550, 47875264, 50867468, 51511360, 59844080, 63584335, 64389200, 70404800, 74805100, 101734936, 119688160, 127168670, 128778400, 149610200, 203469872, 239376320, 254337340, 257556800, 299220400, 317921675, 406939744, 508674680, 598440800, 635843350, 813879488, 1017349360, 1196881600, 1271686700, 2034698720, 2543373400, 4069397440, 5086746800, 10173493600, 20346987200]

約数ペア:

[(1, 20346987200), (2, 10173493600), (4, 5086746800), (5, 4069397440), (8, 2543373400), (10, 2034698720), (16, 1271686700), (17, 1196881600), (20, 1017349360), (25, 813879488), (32, 635843350), (34, 598440800), (40, 508674680), (50, 406939744), (64, 317921675), (68, 299220400), (79, 257556800), (80, 254337340), (85, 239376320), (100, 203469872), (136, 149610200), (158, 128778400), (160, 127168670), (170, 119688160), (200, 101734936), (272, 74805100), (289, 70404800), (316, 64389200), (320, 63584335), (340, 59844080), (395, 51511360), (400, 50867468), (425, 47875264), (544, 37402550), (557, 36529600), (578, 35202400), (632, 32194600), (680, 29922040), (790, 25755680), (800, 25433734), (850, 23937632), (1088, 18701275), (1114, 18264800), (1156, 17601200), (1264, 16097300), (1343, 15150400), (1360, 14961020), (1445, 14080960), (1580, 12877840), (1600, 12716867), (1700, 11968816), (1975, 10302272), (2228, 9132400), (2312, 8800600), (2528, 8048650), (2686, 7575200), (2720, 7480510), (2785, 7305920), (2890, 7040480), (3160, 6438920), (3400, 5984408), (3950, 5151136), (4456, 4566200), (4624, 4400300), (5056, 4024325), (5372, 3787600), (5440, 3740255), (5570, 3652960), (5780, 3520240), (6320, 3219460), (6715, 3030080), (6800, 2992204), (7225, 2816192), (7900, 2575568), (8912, 2283100), (9248, 2200150), (9469, 2148800), (10744, 1893800), (11140, 1826480), (11560, 1760120), (12640, 1609730), (13430, 1515040), (13600, 1496102), (13925, 1461184), (14450, 1408096), (15800, 1287784), (17824, 1141550), (18496, 1100075), (18938, 1074400), (21488, 946900), (22280, 913240), (22831, 891200), (23120, 880060), (25280, 804865), (26860, 757520), (27200, 748051), (27850, 730592), (28900, 704048), (31600, 643892), (33575, 606016), (35648, 570775), (37876, 537200), (42976, 473450), (44003, 462400), (44560, 456620), (45662, 445600), (46240, 440030), (47345, 429760), (53720, 378760), (55700, 365296), (57800, 352024), (63200, 321946), (67150, 303008), (75752, 268600), (85952, 236725), (88006, 231200), (89120, 228310), (91324, 222800), (92480, 220015), (94690, 214880), (107440, 189380), (111400, 182648), (114155, 178240), (115600, 176012), (126400, 160973), (134300, 151504)]