131340800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 120

約数和(自身を含む): 336918912

約数和(自身を除く): 205578112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 331, 400, 496, 512, 620, 640, 662, 775, 800, 992, 1240, 1280, 1324, 1550, 1600, 1655, 1984, 2480, 2560, 2648, 3100, 3200, 3310, 3968, 4960, 5296, 6200, 6400, 6620, 7936, 8275, 9920, 10261, 10592, 12400, 12800, 13240, 15872, 16550, 19840, 20522, 21184, 24800, 26480, 33100, 39680, 41044, 42368, 49600, 51305, 52960, 66200, 79360, 82088, 84736, 99200, 102610, 105920, 132400, 164176, 169472, 198400, 205220, 211840, 256525, 264800, 328352, 396800, 410440, 423680, 513050, 529600, 656704, 820880, 847360, 1026100, 1059200, 1313408, 1641760, 2052200, 2118400, 2626816, 3283520, 4104400, 4236800, 5253632, 6567040, 8208800, 13134080, 16417600, 26268160, 32835200, 65670400, 131340800]

約数ペア:

[(1, 131340800), (2, 65670400), (4, 32835200), (5, 26268160), (8, 16417600), (10, 13134080), (16, 8208800), (20, 6567040), (25, 5253632), (31, 4236800), (32, 4104400), (40, 3283520), (50, 2626816), (62, 2118400), (64, 2052200), (80, 1641760), (100, 1313408), (124, 1059200), (128, 1026100), (155, 847360), (160, 820880), (200, 656704), (248, 529600), (256, 513050), (310, 423680), (320, 410440), (331, 396800), (400, 328352), (496, 264800), (512, 256525), (620, 211840), (640, 205220), (662, 198400), (775, 169472), (800, 164176), (992, 132400), (1240, 105920), (1280, 102610), (1324, 99200), (1550, 84736), (1600, 82088), (1655, 79360), (1984, 66200), (2480, 52960), (2560, 51305), (2648, 49600), (3100, 42368), (3200, 41044), (3310, 39680), (3968, 33100), (4960, 26480), (5296, 24800), (6200, 21184), (6400, 20522), (6620, 19840), (7936, 16550), (8275, 15872), (9920, 13240), (10261, 12800), (10592, 12400)]