278298180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 883157184

約数和(自身を除く): 604859004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 173, 180, 243, 270, 324, 331, 346, 405, 486, 519, 540, 662, 692, 810, 865, 972, 993, 1038, 1215, 1324, 1557, 1620, 1655, 1730, 1986, 2076, 2430, 2595, 2979, 3114, 3310, 3460, 3972, 4671, 4860, 4965, 5190, 5958, 6228, 6620, 7785, 8937, 9342, 9930, 10380, 11916, 14013, 14895, 15570, 17874, 18684, 19860, 23355, 26811, 28026, 29790, 31140, 35748, 42039, 44685, 46710, 53622, 56052, 57263, 59580, 70065, 80433, 84078, 89370, 93420, 107244, 114526, 134055, 140130, 160866, 168156, 171789, 178740, 210195, 229052, 268110, 280260, 286315, 321732, 343578, 402165, 420390, 515367, 536220, 572630, 687156, 804330, 840780, 858945, 1030734, 1145260, 1546101, 1608660, 1717890, 2061468, 2576835, 3092202, 3435780, 4638303, 5153670, 6184404, 7730505, 9276606, 10307340, 13914909, 15461010, 18553212, 23191515, 27829818, 30922020, 46383030, 55659636, 69574545, 92766060, 139149090, 278298180]

約数ペア:

[(1, 278298180), (2, 139149090), (3, 92766060), (4, 69574545), (5, 55659636), (6, 46383030), (9, 30922020), (10, 27829818), (12, 23191515), (15, 18553212), (18, 15461010), (20, 13914909), (27, 10307340), (30, 9276606), (36, 7730505), (45, 6184404), (54, 5153670), (60, 4638303), (81, 3435780), (90, 3092202), (108, 2576835), (135, 2061468), (162, 1717890), (173, 1608660), (180, 1546101), (243, 1145260), (270, 1030734), (324, 858945), (331, 840780), (346, 804330), (405, 687156), (486, 572630), (519, 536220), (540, 515367), (662, 420390), (692, 402165), (810, 343578), (865, 321732), (972, 286315), (993, 280260), (1038, 268110), (1215, 229052), (1324, 210195), (1557, 178740), (1620, 171789), (1655, 168156), (1730, 160866), (1986, 140130), (2076, 134055), (2430, 114526), (2595, 107244), (2979, 93420), (3114, 89370), (3310, 84078), (3460, 80433), (3972, 70065), (4671, 59580), (4860, 57263), (4965, 56052), (5190, 53622), (5958, 46710), (6228, 44685), (6620, 42039), (7785, 35748), (8937, 31140), (9342, 29790), (9930, 28026), (10380, 26811), (11916, 23355), (14013, 19860), (14895, 18684), (15570, 17874)]