160998400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 132

約数和(自身を含む): 421354480

約数和(自身を除く): 260356080

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, 1024, 1216, 1280, 1324, 1520, 1600, 1655, 1900, 2432, 2560, 2648, 3040, 3200, 3310, 3800, 4864, 5120, 5296, 6080, 6289, 6400, 6620, 7600, 8275, 9728, 10592, 12160, 12578, 12800, 13240, 15200, 16550, 19456, 21184, 24320, 25156, 25600, 26480, 30400, 31445, 33100, 42368, 48640, 50312, 52960, 60800, 62890, 66200, 84736, 97280, 100624, 105920, 121600, 125780, 132400, 157225, 169472, 201248, 211840, 243200, 251560, 264800, 314450, 338944, 402496, 423680, 486400, 503120, 529600, 628900, 804992, 847360, 1006240, 1059200, 1257800, 1609984, 1694720, 2012480, 2118400, 2515600, 3219968, 4024960, 4236800, 5031200, 6439936, 8049920, 8473600, 10062400, 16099840, 20124800, 32199680, 40249600, 80499200, 160998400]

約数ペア:

[(1, 160998400), (2, 80499200), (4, 40249600), (5, 32199680), (8, 20124800), (10, 16099840), (16, 10062400), (19, 8473600), (20, 8049920), (25, 6439936), (32, 5031200), (38, 4236800), (40, 4024960), (50, 3219968), (64, 2515600), (76, 2118400), (80, 2012480), (95, 1694720), (100, 1609984), (128, 1257800), (152, 1059200), (160, 1006240), (190, 847360), (200, 804992), (256, 628900), (304, 529600), (320, 503120), (331, 486400), (380, 423680), (400, 402496), (475, 338944), (512, 314450), (608, 264800), (640, 251560), (662, 243200), (760, 211840), (800, 201248), (950, 169472), (1024, 157225), (1216, 132400), (1280, 125780), (1324, 121600), (1520, 105920), (1600, 100624), (1655, 97280), (1900, 84736), (2432, 66200), (2560, 62890), (2648, 60800), (3040, 52960), (3200, 50312), (3310, 48640), (3800, 42368), (4864, 33100), (5120, 31445), (5296, 30400), (6080, 26480), (6289, 25600), (6400, 25156), (6620, 24320), (7600, 21184), (8275, 19456), (9728, 16550), (10592, 15200), (12160, 13240), (12578, 12800)]