81879000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^2\times {\mathrm{557}}^1$

素因数の和:595

約数の個数: 192

約数和(自身を含む): 297704160

約数和(自身を除く): 215825160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 125, 140, 147, 150, 168, 175, 196, 200, 210, 245, 250, 280, 294, 300, 350, 375, 392, 420, 490, 500, 525, 557, 588, 600, 700, 735, 750, 840, 875, 980, 1000, 1050, 1114, 1176, 1225, 1400, 1470, 1500, 1671, 1750, 1960, 2100, 2228, 2450, 2625, 2785, 2940, 3000, 3342, 3500, 3675, 3899, 4200, 4456, 4900, 5250, 5570, 5880, 6125, 6684, 7000, 7350, 7798, 8355, 9800, 10500, 11140, 11697, 12250, 13368, 13925, 14700, 15596, 16710, 18375, 19495, 21000, 22280, 23394, 24500, 27293, 27850, 29400, 31192, 33420, 36750, 38990, 41775, 46788, 49000, 54586, 55700, 58485, 66840, 69625, 73500, 77980, 81879, 83550, 93576, 97475, 109172, 111400, 116970, 136465, 139250, 147000, 155960, 163758, 167100, 194950, 208875, 218344, 233940, 272930, 278500, 292425, 327516, 334200, 389900, 409395, 417750, 467880, 487375, 545860, 557000, 584850, 655032, 682325, 779800, 818790, 835500, 974750, 1091720, 1169700, 1364650, 1462125, 1637580, 1671000, 1949500, 2046975, 2339400, 2729300, 2924250, 3275160, 3411625, 3899000, 4093950, 5458600, 5848500, 6823250, 8187900, 10234875, 11697000, 13646500, 16375800, 20469750, 27293000, 40939500, 81879000]

約数ペア:

[(1, 81879000), (2, 40939500), (3, 27293000), (4, 20469750), (5, 16375800), (6, 13646500), (7, 11697000), (8, 10234875), (10, 8187900), (12, 6823250), (14, 5848500), (15, 5458600), (20, 4093950), (21, 3899000), (24, 3411625), (25, 3275160), (28, 2924250), (30, 2729300), (35, 2339400), (40, 2046975), (42, 1949500), (49, 1671000), (50, 1637580), (56, 1462125), (60, 1364650), (70, 1169700), (75, 1091720), (84, 974750), (98, 835500), (100, 818790), (105, 779800), (120, 682325), (125, 655032), (140, 584850), (147, 557000), (150, 545860), (168, 487375), (175, 467880), (196, 417750), (200, 409395), (210, 389900), (245, 334200), (250, 327516), (280, 292425), (294, 278500), (300, 272930), (350, 233940), (375, 218344), (392, 208875), (420, 194950), (490, 167100), (500, 163758), (525, 155960), (557, 147000), (588, 139250), (600, 136465), (700, 116970), (735, 111400), (750, 109172), (840, 97475), (875, 93576), (980, 83550), (1000, 81879), (1050, 77980), (1114, 73500), (1176, 69625), (1225, 66840), (1400, 58485), (1470, 55700), (1500, 54586), (1671, 49000), (1750, 46788), (1960, 41775), (2100, 38990), (2228, 36750), (2450, 33420), (2625, 31192), (2785, 29400), (2940, 27850), (3000, 27293), (3342, 24500), (3500, 23394), (3675, 22280), (3899, 21000), (4200, 19495), (4456, 18375), (4900, 16710), (5250, 15596), (5570, 14700), (5880, 13925), (6125, 13368), (6684, 12250), (7000, 11697), (7350, 11140), (7798, 10500), (8355, 9800)]