7778022400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15991}}^1$

素因数の和:16040

約数の個数: 132

約数和(自身を含む): 20296086880

約数和(自身を除く): 12518064480

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, 380, 400, 475, 512, 608, 640, 760, 800, 950, 1024, 1216, 1280, 1520, 1600, 1900, 2432, 2560, 3040, 3200, 3800, 4864, 5120, 6080, 6400, 7600, 9728, 12160, 12800, 15200, 15991, 19456, 24320, 25600, 30400, 31982, 48640, 60800, 63964, 79955, 97280, 121600, 127928, 159910, 243200, 255856, 303829, 319820, 399775, 486400, 511712, 607658, 639640, 799550, 1023424, 1215316, 1279280, 1519145, 1599100, 2046848, 2430632, 2558560, 3038290, 3198200, 4093696, 4861264, 5117120, 6076580, 6396400, 7595725, 8187392, 9722528, 10234240, 12153160, 12792800, 15191450, 16374784, 19445056, 20468480, 24306320, 25585600, 30382900, 38890112, 40936960, 48612640, 51171200, 60765800, 77780224, 81873920, 97225280, 102342400, 121531600, 155560448, 194450560, 204684800, 243063200, 311120896, 388901120, 409369600, 486126400, 777802240, 972252800, 1555604480, 1944505600, 3889011200, 7778022400]

約数ペア:

[(1, 7778022400), (2, 3889011200), (4, 1944505600), (5, 1555604480), (8, 972252800), (10, 777802240), (16, 486126400), (19, 409369600), (20, 388901120), (25, 311120896), (32, 243063200), (38, 204684800), (40, 194450560), (50, 155560448), (64, 121531600), (76, 102342400), (80, 97225280), (95, 81873920), (100, 77780224), (128, 60765800), (152, 51171200), (160, 48612640), (190, 40936960), (200, 38890112), (256, 30382900), (304, 25585600), (320, 24306320), (380, 20468480), (400, 19445056), (475, 16374784), (512, 15191450), (608, 12792800), (640, 12153160), (760, 10234240), (800, 9722528), (950, 8187392), (1024, 7595725), (1216, 6396400), (1280, 6076580), (1520, 5117120), (1600, 4861264), (1900, 4093696), (2432, 3198200), (2560, 3038290), (3040, 2558560), (3200, 2430632), (3800, 2046848), (4864, 1599100), (5120, 1519145), (6080, 1279280), (6400, 1215316), (7600, 1023424), (9728, 799550), (12160, 639640), (12800, 607658), (15200, 511712), (15991, 486400), (19456, 399775), (24320, 319820), (25600, 303829), (30400, 255856), (31982, 243200), (48640, 159910), (60800, 127928), (63964, 121600), (79955, 97280)]