1276208000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 3318129360

約数和(自身を除く): 2041921360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 83, 100, 124, 125, 128, 155, 160, 166, 200, 248, 250, 310, 320, 332, 400, 415, 496, 500, 620, 640, 664, 775, 800, 830, 961, 992, 1000, 1240, 1328, 1550, 1600, 1660, 1922, 1984, 2000, 2075, 2480, 2573, 2656, 3100, 3200, 3320, 3844, 3875, 3968, 4000, 4150, 4805, 4960, 5146, 5312, 6200, 6640, 7688, 7750, 8000, 8300, 9610, 9920, 10292, 10375, 10624, 12400, 12865, 13280, 15376, 15500, 16000, 16600, 19220, 19840, 20584, 20750, 24025, 24800, 25730, 26560, 30752, 31000, 33200, 38440, 41168, 41500, 48050, 49600, 51460, 53120, 61504, 62000, 64325, 66400, 76880, 79763, 82336, 83000, 96100, 99200, 102920, 120125, 123008, 124000, 128650, 132800, 153760, 159526, 164672, 166000, 192200, 205840, 240250, 248000, 257300, 265600, 307520, 319052, 321625, 329344, 332000, 384400, 398815, 411680, 480500, 496000, 514600, 615040, 638104, 643250, 664000, 768800, 797630, 823360, 961000, 1029200, 1276208, 1286500, 1328000, 1537600, 1595260, 1646720, 1922000, 1994075, 2058400, 2552416, 2573000, 3075200, 3190520, 3844000, 3988150, 4116800, 5104832, 5146000, 6381040, 7688000, 7976300, 8233600, 9970375, 10209664, 10292000, 12762080, 15376000, 15952600, 19940750, 20584000, 25524160, 31905200, 39881500, 41168000, 51048320, 63810400, 79763000, 127620800, 159526000, 255241600, 319052000, 638104000, 1276208000]

約数ペア:

[(1, 1276208000), (2, 638104000), (4, 319052000), (5, 255241600), (8, 159526000), (10, 127620800), (16, 79763000), (20, 63810400), (25, 51048320), (31, 41168000), (32, 39881500), (40, 31905200), (50, 25524160), (62, 20584000), (64, 19940750), (80, 15952600), (83, 15376000), (100, 12762080), (124, 10292000), (125, 10209664), (128, 9970375), (155, 8233600), (160, 7976300), (166, 7688000), (200, 6381040), (248, 5146000), (250, 5104832), (310, 4116800), (320, 3988150), (332, 3844000), (400, 3190520), (415, 3075200), (496, 2573000), (500, 2552416), (620, 2058400), (640, 1994075), (664, 1922000), (775, 1646720), (800, 1595260), (830, 1537600), (961, 1328000), (992, 1286500), (1000, 1276208), (1240, 1029200), (1328, 961000), (1550, 823360), (1600, 797630), (1660, 768800), (1922, 664000), (1984, 643250), (2000, 638104), (2075, 615040), (2480, 514600), (2573, 496000), (2656, 480500), (3100, 411680), (3200, 398815), (3320, 384400), (3844, 332000), (3875, 329344), (3968, 321625), (4000, 319052), (4150, 307520), (4805, 265600), (4960, 257300), (5146, 248000), (5312, 240250), (6200, 205840), (6640, 192200), (7688, 166000), (7750, 164672), (8000, 159526), (8300, 153760), (9610, 132800), (9920, 128650), (10292, 124000), (10375, 123008), (10624, 120125), (12400, 102920), (12865, 99200), (13280, 96100), (15376, 83000), (15500, 82336), (16000, 79763), (16600, 76880), (19220, 66400), (19840, 64325), (20584, 62000), (20750, 61504), (24025, 53120), (24800, 51460), (25730, 49600), (26560, 48050), (30752, 41500), (31000, 41168), (33200, 38440)]