80499200

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 120

約数和(自身を含む): 210574320

約数和(自身を除く): 130075120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 331, 380, 400, 475, 512, 608, 640, 662, 760, 800, 950, 1216, 1280, 1324, 1520, 1600, 1655, 1900, 2432, 2560, 2648, 3040, 3200, 3310, 3800, 4864, 5296, 6080, 6289, 6400, 6620, 7600, 8275, 9728, 10592, 12160, 12578, 12800, 13240, 15200, 16550, 21184, 24320, 25156, 26480, 30400, 31445, 33100, 42368, 48640, 50312, 52960, 60800, 62890, 66200, 84736, 100624, 105920, 121600, 125780, 132400, 157225, 169472, 201248, 211840, 243200, 251560, 264800, 314450, 402496, 423680, 503120, 529600, 628900, 804992, 847360, 1006240, 1059200, 1257800, 1609984, 2012480, 2118400, 2515600, 3219968, 4024960, 4236800, 5031200, 8049920, 10062400, 16099840, 20124800, 40249600, 80499200]

約数ペア:

[(1, 80499200), (2, 40249600), (4, 20124800), (5, 16099840), (8, 10062400), (10, 8049920), (16, 5031200), (19, 4236800), (20, 4024960), (25, 3219968), (32, 2515600), (38, 2118400), (40, 2012480), (50, 1609984), (64, 1257800), (76, 1059200), (80, 1006240), (95, 847360), (100, 804992), (128, 628900), (152, 529600), (160, 503120), (190, 423680), (200, 402496), (256, 314450), (304, 264800), (320, 251560), (331, 243200), (380, 211840), (400, 201248), (475, 169472), (512, 157225), (608, 132400), (640, 125780), (662, 121600), (760, 105920), (800, 100624), (950, 84736), (1216, 66200), (1280, 62890), (1324, 60800), (1520, 52960), (1600, 50312), (1655, 48640), (1900, 42368), (2432, 33100), (2560, 31445), (2648, 30400), (3040, 26480), (3200, 25156), (3310, 24320), (3800, 21184), (4864, 16550), (5296, 15200), (6080, 13240), (6289, 12800), (6400, 12578), (6620, 12160), (7600, 10592), (8275, 9728)]