261976800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6421}}^1$

素因数の和:6461

約数の個数: 144

約数和(自身を含む): 903035952

約数和(自身を除く): 641059152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 96, 100, 102, 120, 136, 150, 160, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 480, 510, 544, 600, 680, 800, 816, 850, 1020, 1200, 1275, 1360, 1632, 1700, 2040, 2400, 2550, 2720, 3400, 4080, 5100, 6421, 6800, 8160, 10200, 12842, 13600, 19263, 20400, 25684, 32105, 38526, 40800, 51368, 64210, 77052, 96315, 102736, 109157, 128420, 154104, 160525, 192630, 205472, 218314, 256840, 308208, 321050, 327471, 385260, 436628, 481575, 513680, 545785, 616416, 642100, 654942, 770520, 873256, 963150, 1027360, 1091570, 1284200, 1309884, 1541040, 1637355, 1746512, 1926300, 2183140, 2568400, 2619768, 2728925, 3082080, 3274710, 3493024, 3852600, 4366280, 5136800, 5239536, 5457850, 6549420, 7705200, 8186775, 8732560, 10479072, 10915700, 13098840, 15410400, 16373550, 17465120, 21831400, 26197680, 32747100, 43662800, 52395360, 65494200, 87325600, 130988400, 261976800]

約数ペア:

[(1, 261976800), (2, 130988400), (3, 87325600), (4, 65494200), (5, 52395360), (6, 43662800), (8, 32747100), (10, 26197680), (12, 21831400), (15, 17465120), (16, 16373550), (17, 15410400), (20, 13098840), (24, 10915700), (25, 10479072), (30, 8732560), (32, 8186775), (34, 7705200), (40, 6549420), (48, 5457850), (50, 5239536), (51, 5136800), (60, 4366280), (68, 3852600), (75, 3493024), (80, 3274710), (85, 3082080), (96, 2728925), (100, 2619768), (102, 2568400), (120, 2183140), (136, 1926300), (150, 1746512), (160, 1637355), (170, 1541040), (200, 1309884), (204, 1284200), (240, 1091570), (255, 1027360), (272, 963150), (300, 873256), (340, 770520), (400, 654942), (408, 642100), (425, 616416), (480, 545785), (510, 513680), (544, 481575), (600, 436628), (680, 385260), (800, 327471), (816, 321050), (850, 308208), (1020, 256840), (1200, 218314), (1275, 205472), (1360, 192630), (1632, 160525), (1700, 154104), (2040, 128420), (2400, 109157), (2550, 102736), (2720, 96315), (3400, 77052), (4080, 64210), (5100, 51368), (6421, 40800), (6800, 38526), (8160, 32105), (10200, 25684), (12842, 20400), (13600, 19263)]