248467440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{821}}^1$

素因数の和:947

約数の個数: 160

約数和(自身を含む): 839071296

約数和(自身を除く): 590603856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 97, 104, 120, 130, 156, 194, 195, 208, 240, 260, 291, 312, 388, 390, 485, 520, 582, 624, 776, 780, 821, 970, 1040, 1164, 1261, 1455, 1552, 1560, 1642, 1940, 2328, 2463, 2522, 2910, 3120, 3284, 3783, 3880, 4105, 4656, 4926, 5044, 5820, 6305, 6568, 7566, 7760, 8210, 9852, 10088, 10673, 11640, 12315, 12610, 13136, 15132, 16420, 18915, 19704, 20176, 21346, 23280, 24630, 25220, 30264, 32019, 32840, 37830, 39408, 42692, 49260, 50440, 53365, 60528, 64038, 65680, 75660, 79637, 85384, 98520, 100880, 106730, 128076, 151320, 159274, 160095, 170768, 197040, 213460, 238911, 256152, 302640, 318548, 320190, 398185, 426920, 477822, 512304, 637096, 640380, 796370, 853840, 955644, 1035281, 1194555, 1274192, 1280760, 1592740, 1911288, 2070562, 2389110, 2561520, 3105843, 3185480, 3822576, 4141124, 4778220, 5176405, 6211686, 6370960, 8282248, 9556440, 10352810, 12423372, 15529215, 16564496, 19112880, 20705620, 24846744, 31058430, 41411240, 49693488, 62116860, 82822480, 124233720, 248467440]

約数ペア:

[(1, 248467440), (2, 124233720), (3, 82822480), (4, 62116860), (5, 49693488), (6, 41411240), (8, 31058430), (10, 24846744), (12, 20705620), (13, 19112880), (15, 16564496), (16, 15529215), (20, 12423372), (24, 10352810), (26, 9556440), (30, 8282248), (39, 6370960), (40, 6211686), (48, 5176405), (52, 4778220), (60, 4141124), (65, 3822576), (78, 3185480), (80, 3105843), (97, 2561520), (104, 2389110), (120, 2070562), (130, 1911288), (156, 1592740), (194, 1280760), (195, 1274192), (208, 1194555), (240, 1035281), (260, 955644), (291, 853840), (312, 796370), (388, 640380), (390, 637096), (485, 512304), (520, 477822), (582, 426920), (624, 398185), (776, 320190), (780, 318548), (821, 302640), (970, 256152), (1040, 238911), (1164, 213460), (1261, 197040), (1455, 170768), (1552, 160095), (1560, 159274), (1642, 151320), (1940, 128076), (2328, 106730), (2463, 100880), (2522, 98520), (2910, 85384), (3120, 79637), (3284, 75660), (3783, 65680), (3880, 64038), (4105, 60528), (4656, 53365), (4926, 50440), (5044, 49260), (5820, 42692), (6305, 39408), (6568, 37830), (7566, 32840), (7760, 32019), (8210, 30264), (9852, 25220), (10088, 24630), (10673, 23280), (11640, 21346), (12315, 20176), (12610, 19704), (13136, 18915), (15132, 16420)]