1288951680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3709}}^1$

素因数の和:3912

約数の個数: 128

約数和(自身を含む): 4132346400

約数和(自身を除く): 2843394720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 181, 192, 240, 320, 362, 384, 480, 543, 640, 724, 905, 960, 1086, 1448, 1810, 1920, 2172, 2715, 2896, 3620, 3709, 4344, 5430, 5792, 7240, 7418, 8688, 10860, 11127, 11584, 14480, 14836, 17376, 18545, 21720, 22254, 23168, 28960, 29672, 34752, 37090, 43440, 44508, 55635, 57920, 59344, 69504, 74180, 86880, 89016, 111270, 115840, 118688, 148360, 173760, 178032, 222540, 237376, 296720, 347520, 356064, 445080, 474752, 593440, 671329, 712128, 890160, 1186880, 1342658, 1424256, 1780320, 2013987, 2373760, 2685316, 3356645, 3560640, 4027974, 5370632, 6713290, 7121280, 8055948, 10069935, 10741264, 13426580, 16111896, 20139870, 21482528, 26853160, 32223792, 40279740, 42965056, 53706320, 64447584, 80559480, 85930112, 107412640, 128895168, 161118960, 214825280, 257790336, 322237920, 429650560, 644475840, 1288951680]

約数ペア:

[(1, 1288951680), (2, 644475840), (3, 429650560), (4, 322237920), (5, 257790336), (6, 214825280), (8, 161118960), (10, 128895168), (12, 107412640), (15, 85930112), (16, 80559480), (20, 64447584), (24, 53706320), (30, 42965056), (32, 40279740), (40, 32223792), (48, 26853160), (60, 21482528), (64, 20139870), (80, 16111896), (96, 13426580), (120, 10741264), (128, 10069935), (160, 8055948), (181, 7121280), (192, 6713290), (240, 5370632), (320, 4027974), (362, 3560640), (384, 3356645), (480, 2685316), (543, 2373760), (640, 2013987), (724, 1780320), (905, 1424256), (960, 1342658), (1086, 1186880), (1448, 890160), (1810, 712128), (1920, 671329), (2172, 593440), (2715, 474752), (2896, 445080), (3620, 356064), (3709, 347520), (4344, 296720), (5430, 237376), (5792, 222540), (7240, 178032), (7418, 173760), (8688, 148360), (10860, 118688), (11127, 115840), (11584, 111270), (14480, 89016), (14836, 86880), (17376, 74180), (18545, 69504), (21720, 59344), (22254, 57920), (23168, 55635), (28960, 44508), (29672, 43440), (34752, 37090)]