1639401600

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:855

約数の個数: 192

約数和(自身を含む): 5425992000

約数和(自身を除く): 3786590400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 389, 400, 439, 480, 600, 640, 778, 800, 878, 960, 1167, 1200, 1317, 1556, 1600, 1756, 1920, 1945, 2195, 2334, 2400, 2634, 3112, 3200, 3512, 3890, 4390, 4668, 4800, 5268, 5835, 6224, 6585, 7024, 7780, 8780, 9336, 9600, 9725, 10536, 10975, 11670, 12448, 13170, 14048, 15560, 17560, 18672, 19450, 21072, 21950, 23340, 24896, 26340, 28096, 29175, 31120, 32925, 35120, 37344, 38900, 42144, 43900, 46680, 49792, 52680, 56192, 58350, 62240, 65850, 70240, 74688, 77800, 84288, 87800, 93360, 105360, 116700, 124480, 131700, 140480, 149376, 155600, 168576, 170771, 175600, 186720, 210720, 233400, 248960, 263400, 280960, 311200, 341542, 351200, 373440, 421440, 466800, 512313, 526800, 622400, 683084, 702400, 746880, 842880, 853855, 933600, 1024626, 1053600, 1244800, 1366168, 1404800, 1707710, 1867200, 2049252, 2107200, 2561565, 2732336, 3415420, 3734400, 4098504, 4214400, 4269275, 5123130, 5464672, 6830840, 8197008, 8538550, 10246260, 10929344, 12807825, 13661680, 16394016, 17077100, 20492520, 21858688, 25615650, 27323360, 32788032, 34154200, 40985040, 51231300, 54646720, 65576064, 68308400, 81970080, 102462600, 109293440, 136616800, 163940160, 204925200, 273233600, 327880320, 409850400, 546467200, 819700800, 1639401600]

約数ペア:

[(1, 1639401600), (2, 819700800), (3, 546467200), (4, 409850400), (5, 327880320), (6, 273233600), (8, 204925200), (10, 163940160), (12, 136616800), (15, 109293440), (16, 102462600), (20, 81970080), (24, 68308400), (25, 65576064), (30, 54646720), (32, 51231300), (40, 40985040), (48, 34154200), (50, 32788032), (60, 27323360), (64, 25615650), (75, 21858688), (80, 20492520), (96, 17077100), (100, 16394016), (120, 13661680), (128, 12807825), (150, 10929344), (160, 10246260), (192, 8538550), (200, 8197008), (240, 6830840), (300, 5464672), (320, 5123130), (384, 4269275), (389, 4214400), (400, 4098504), (439, 3734400), (480, 3415420), (600, 2732336), (640, 2561565), (778, 2107200), (800, 2049252), (878, 1867200), (960, 1707710), (1167, 1404800), (1200, 1366168), (1317, 1244800), (1556, 1053600), (1600, 1024626), (1756, 933600), (1920, 853855), (1945, 842880), (2195, 746880), (2334, 702400), (2400, 683084), (2634, 622400), (3112, 526800), (3200, 512313), (3512, 466800), (3890, 421440), (4390, 373440), (4668, 351200), (4800, 341542), (5268, 311200), (5835, 280960), (6224, 263400), (6585, 248960), (7024, 233400), (7780, 210720), (8780, 186720), (9336, 175600), (9600, 170771), (9725, 168576), (10536, 155600), (10975, 149376), (11670, 140480), (12448, 131700), (13170, 124480), (14048, 116700), (15560, 105360), (17560, 93360), (18672, 87800), (19450, 84288), (21072, 77800), (21950, 74688), (23340, 70240), (24896, 65850), (26340, 62240), (28096, 58350), (29175, 56192), (31120, 52680), (32925, 49792), (35120, 46680), (37344, 43900), (38900, 42144)]