79784800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 213267600

約数和(自身を除く): 133482800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 32, 38, 40, 50, 58, 76, 80, 95, 100, 116, 145, 152, 160, 181, 190, 200, 232, 290, 304, 362, 380, 400, 464, 475, 551, 580, 608, 724, 725, 760, 800, 905, 928, 950, 1102, 1160, 1448, 1450, 1520, 1810, 1900, 2204, 2320, 2755, 2896, 2900, 3040, 3439, 3620, 3800, 4408, 4525, 4640, 5249, 5510, 5792, 5800, 6878, 7240, 7600, 8816, 9050, 10498, 11020, 11600, 13756, 13775, 14480, 15200, 17195, 17632, 18100, 20996, 22040, 23200, 26245, 27512, 27550, 28960, 34390, 36200, 41992, 44080, 52490, 55024, 55100, 68780, 72400, 83984, 85975, 88160, 99731, 104980, 110048, 110200, 131225, 137560, 144800, 167968, 171950, 199462, 209960, 220400, 262450, 275120, 343900, 398924, 419920, 440800, 498655, 524900, 550240, 687800, 797848, 839840, 997310, 1049800, 1375600, 1595696, 1994620, 2099600, 2493275, 2751200, 3191392, 3989240, 4199200, 4986550, 7978480, 9973100, 15956960, 19946200, 39892400, 79784800]

約数ペア:

[(1, 79784800), (2, 39892400), (4, 19946200), (5, 15956960), (8, 9973100), (10, 7978480), (16, 4986550), (19, 4199200), (20, 3989240), (25, 3191392), (29, 2751200), (32, 2493275), (38, 2099600), (40, 1994620), (50, 1595696), (58, 1375600), (76, 1049800), (80, 997310), (95, 839840), (100, 797848), (116, 687800), (145, 550240), (152, 524900), (160, 498655), (181, 440800), (190, 419920), (200, 398924), (232, 343900), (290, 275120), (304, 262450), (362, 220400), (380, 209960), (400, 199462), (464, 171950), (475, 167968), (551, 144800), (580, 137560), (608, 131225), (724, 110200), (725, 110048), (760, 104980), (800, 99731), (905, 88160), (928, 85975), (950, 83984), (1102, 72400), (1160, 68780), (1448, 55100), (1450, 55024), (1520, 52490), (1810, 44080), (1900, 41992), (2204, 36200), (2320, 34390), (2755, 28960), (2896, 27550), (2900, 27512), (3040, 26245), (3439, 23200), (3620, 22040), (3800, 20996), (4408, 18100), (4525, 17632), (4640, 17195), (5249, 15200), (5510, 14480), (5792, 13775), (5800, 13756), (6878, 11600), (7240, 11020), (7600, 10498), (8816, 9050)]