68229760

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 178214400

約数和(自身を除く): 109984640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 181, 190, 248, 304, 310, 320, 362, 380, 496, 589, 608, 620, 640, 724, 760, 905, 992, 1178, 1216, 1240, 1448, 1520, 1810, 1984, 2356, 2432, 2480, 2896, 2945, 3040, 3439, 3620, 3968, 4712, 4960, 5611, 5792, 5890, 6080, 6878, 7240, 9424, 9920, 11222, 11584, 11780, 12160, 13756, 14480, 17195, 18848, 19840, 22444, 23168, 23560, 27512, 28055, 28960, 34390, 37696, 44888, 47120, 55024, 56110, 57920, 68780, 75392, 89776, 94240, 106609, 110048, 112220, 115840, 137560, 179552, 188480, 213218, 220096, 224440, 275120, 359104, 376960, 426436, 440192, 448880, 533045, 550240, 718208, 852872, 897760, 1066090, 1100480, 1705744, 1795520, 2132180, 2200960, 3411488, 3591040, 4264360, 6822976, 8528720, 13645952, 17057440, 34114880, 68229760]

約数ペア:

[(1, 68229760), (2, 34114880), (4, 17057440), (5, 13645952), (8, 8528720), (10, 6822976), (16, 4264360), (19, 3591040), (20, 3411488), (31, 2200960), (32, 2132180), (38, 1795520), (40, 1705744), (62, 1100480), (64, 1066090), (76, 897760), (80, 852872), (95, 718208), (124, 550240), (128, 533045), (152, 448880), (155, 440192), (160, 426436), (181, 376960), (190, 359104), (248, 275120), (304, 224440), (310, 220096), (320, 213218), (362, 188480), (380, 179552), (496, 137560), (589, 115840), (608, 112220), (620, 110048), (640, 106609), (724, 94240), (760, 89776), (905, 75392), (992, 68780), (1178, 57920), (1216, 56110), (1240, 55024), (1448, 47120), (1520, 44888), (1810, 37696), (1984, 34390), (2356, 28960), (2432, 28055), (2480, 27512), (2896, 23560), (2945, 23168), (3040, 22444), (3439, 19840), (3620, 18848), (3968, 17195), (4712, 14480), (4960, 13756), (5611, 12160), (5792, 11780), (5890, 11584), (6080, 11222), (6878, 9920), (7240, 9424)]