16405138640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:1021

約数の個数: 160

約数和(自身を含む): 42185871360

約数和(自身を除く): 25780732720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 229, 254, 440, 458, 508, 635, 641, 880, 916, 1016, 1145, 1270, 1282, 1397, 1832, 2032, 2290, 2519, 2540, 2564, 2794, 3205, 3664, 4580, 5038, 5080, 5128, 5588, 6410, 6985, 7051, 9160, 10076, 10160, 10256, 11176, 12595, 12820, 13970, 14102, 18320, 20152, 22352, 25190, 25640, 27940, 28204, 29083, 35255, 40304, 50380, 51280, 55880, 56408, 58166, 70510, 81407, 100760, 111760, 112816, 116332, 141020, 145415, 146789, 162814, 201520, 232664, 282040, 290830, 293578, 319913, 325628, 407035, 465328, 564080, 581660, 587156, 639826, 651256, 733945, 814070, 895477, 1163320, 1174312, 1279652, 1302512, 1467890, 1599565, 1614679, 1628140, 1790954, 2326640, 2348624, 2559304, 2935780, 3199130, 3229358, 3256280, 3581908, 4477385, 5118608, 5871560, 6398260, 6458716, 6512560, 7163816, 8073395, 8954770, 11743120, 12796520, 12917432, 14327632, 16146790, 17909540, 18642203, 25593040, 25834864, 32293580, 35819080, 37284406, 64587160, 71638160, 74568812, 93211015, 129174320, 149137624, 186422030, 205064233, 298275248, 372844060, 410128466, 745688120, 820256932, 1025321165, 1491376240, 1640513864, 2050642330, 3281027728, 4101284660, 8202569320, 16405138640]

約数ペア:

[(1, 16405138640), (2, 8202569320), (4, 4101284660), (5, 3281027728), (8, 2050642330), (10, 1640513864), (11, 1491376240), (16, 1025321165), (20, 820256932), (22, 745688120), (40, 410128466), (44, 372844060), (55, 298275248), (80, 205064233), (88, 186422030), (110, 149137624), (127, 129174320), (176, 93211015), (220, 74568812), (229, 71638160), (254, 64587160), (440, 37284406), (458, 35819080), (508, 32293580), (635, 25834864), (641, 25593040), (880, 18642203), (916, 17909540), (1016, 16146790), (1145, 14327632), (1270, 12917432), (1282, 12796520), (1397, 11743120), (1832, 8954770), (2032, 8073395), (2290, 7163816), (2519, 6512560), (2540, 6458716), (2564, 6398260), (2794, 5871560), (3205, 5118608), (3664, 4477385), (4580, 3581908), (5038, 3256280), (5080, 3229358), (5128, 3199130), (5588, 2935780), (6410, 2559304), (6985, 2348624), (7051, 2326640), (9160, 1790954), (10076, 1628140), (10160, 1614679), (10256, 1599565), (11176, 1467890), (12595, 1302512), (12820, 1279652), (13970, 1174312), (14102, 1163320), (18320, 895477), (20152, 814070), (22352, 733945), (25190, 651256), (25640, 639826), (27940, 587156), (28204, 581660), (29083, 564080), (35255, 465328), (40304, 407035), (50380, 325628), (51280, 319913), (55880, 293578), (56408, 290830), (58166, 282040), (70510, 232664), (81407, 201520), (100760, 162814), (111760, 146789), (112816, 145415), (116332, 141020)]