7777997460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22541}}^1$

素因数の和:22636

約数の個数: 144

約数和(自身を含む): 24812790912

約数和(自身を除く): 17034793452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 243, 270, 284, 324, 355, 405, 426, 486, 540, 639, 710, 810, 852, 972, 1065, 1215, 1278, 1420, 1620, 1917, 2130, 2430, 2556, 3195, 3834, 4260, 4860, 5751, 6390, 7668, 9585, 11502, 12780, 17253, 19170, 22541, 23004, 28755, 34506, 38340, 45082, 57510, 67623, 69012, 86265, 90164, 112705, 115020, 135246, 172530, 202869, 225410, 270492, 338115, 345060, 405738, 450820, 608607, 676230, 811476, 1014345, 1217214, 1352460, 1600411, 1825821, 2028690, 2434428, 3043035, 3200822, 3651642, 4057380, 4801233, 5477463, 6086070, 6401644, 7303284, 8002055, 9129105, 9602466, 10954926, 12172140, 14403699, 16004110, 18258210, 19204932, 21909852, 24006165, 27387315, 28807398, 32008220, 36516420, 43211097, 48012330, 54774630, 57614796, 72018495, 86422194, 96024660, 109549260, 129633291, 144036990, 172844388, 216055485, 259266582, 288073980, 388899873, 432110970, 518533164, 648166455, 777799746, 864221940, 1296332910, 1555599492, 1944499365, 2592665820, 3888998730, 7777997460]

約数ペア:

[(1, 7777997460), (2, 3888998730), (3, 2592665820), (4, 1944499365), (5, 1555599492), (6, 1296332910), (9, 864221940), (10, 777799746), (12, 648166455), (15, 518533164), (18, 432110970), (20, 388899873), (27, 288073980), (30, 259266582), (36, 216055485), (45, 172844388), (54, 144036990), (60, 129633291), (71, 109549260), (81, 96024660), (90, 86422194), (108, 72018495), (135, 57614796), (142, 54774630), (162, 48012330), (180, 43211097), (213, 36516420), (243, 32008220), (270, 28807398), (284, 27387315), (324, 24006165), (355, 21909852), (405, 19204932), (426, 18258210), (486, 16004110), (540, 14403699), (639, 12172140), (710, 10954926), (810, 9602466), (852, 9129105), (972, 8002055), (1065, 7303284), (1215, 6401644), (1278, 6086070), (1420, 5477463), (1620, 4801233), (1917, 4057380), (2130, 3651642), (2430, 3200822), (2556, 3043035), (3195, 2434428), (3834, 2028690), (4260, 1825821), (4860, 1600411), (5751, 1352460), (6390, 1217214), (7668, 1014345), (9585, 811476), (11502, 676230), (12780, 608607), (17253, 450820), (19170, 405738), (22541, 345060), (23004, 338115), (28755, 270492), (34506, 225410), (38340, 202869), (45082, 172530), (57510, 135246), (67623, 115020), (69012, 112705), (86265, 90164)]