255241600

素因数分解:

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

素因数の和:169

約数の個数: 144

約数和(自身を含む): 659371860

約数和(自身を除く): 404130260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 83, 100, 124, 128, 155, 160, 166, 200, 248, 310, 320, 332, 400, 415, 496, 620, 640, 664, 775, 800, 830, 961, 992, 1240, 1328, 1550, 1600, 1660, 1922, 1984, 2075, 2480, 2573, 2656, 3100, 3200, 3320, 3844, 3968, 4150, 4805, 4960, 5146, 5312, 6200, 6640, 7688, 8300, 9610, 9920, 10292, 10624, 12400, 12865, 13280, 15376, 16600, 19220, 19840, 20584, 24025, 24800, 25730, 26560, 30752, 33200, 38440, 41168, 48050, 49600, 51460, 53120, 61504, 64325, 66400, 76880, 79763, 82336, 96100, 99200, 102920, 123008, 128650, 132800, 153760, 159526, 164672, 192200, 205840, 257300, 265600, 307520, 319052, 329344, 384400, 398815, 411680, 514600, 615040, 638104, 768800, 797630, 823360, 1029200, 1276208, 1537600, 1595260, 1646720, 1994075, 2058400, 2552416, 3075200, 3190520, 3988150, 4116800, 5104832, 6381040, 7976300, 8233600, 10209664, 12762080, 15952600, 25524160, 31905200, 51048320, 63810400, 127620800, 255241600]

約数ペア:

[(1, 255241600), (2, 127620800), (4, 63810400), (5, 51048320), (8, 31905200), (10, 25524160), (16, 15952600), (20, 12762080), (25, 10209664), (31, 8233600), (32, 7976300), (40, 6381040), (50, 5104832), (62, 4116800), (64, 3988150), (80, 3190520), (83, 3075200), (100, 2552416), (124, 2058400), (128, 1994075), (155, 1646720), (160, 1595260), (166, 1537600), (200, 1276208), (248, 1029200), (310, 823360), (320, 797630), (332, 768800), (400, 638104), (415, 615040), (496, 514600), (620, 411680), (640, 398815), (664, 384400), (775, 329344), (800, 319052), (830, 307520), (961, 265600), (992, 257300), (1240, 205840), (1328, 192200), (1550, 164672), (1600, 159526), (1660, 153760), (1922, 132800), (1984, 128650), (2075, 123008), (2480, 102920), (2573, 99200), (2656, 96100), (3100, 82336), (3200, 79763), (3320, 76880), (3844, 66400), (3968, 64325), (4150, 61504), (4805, 53120), (4960, 51460), (5146, 49600), (5312, 48050), (6200, 41168), (6640, 38440), (7688, 33200), (8300, 30752), (9610, 26560), (9920, 25730), (10292, 24800), (10624, 24025), (12400, 20584), (12865, 19840), (13280, 19220), (15376, 16600)]