51981300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 216

約数和(自身を含む): 192098816

約数和(自身を除く): 140117516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 37, 42, 45, 50, 60, 63, 70, 74, 75, 84, 90, 100, 105, 111, 126, 140, 148, 150, 175, 180, 185, 210, 222, 223, 225, 252, 259, 300, 315, 333, 350, 370, 420, 444, 446, 450, 518, 525, 555, 630, 666, 669, 700, 740, 777, 892, 900, 925, 1036, 1050, 1110, 1115, 1260, 1295, 1332, 1338, 1554, 1561, 1575, 1665, 1850, 2007, 2100, 2220, 2230, 2331, 2590, 2676, 2775, 3108, 3122, 3150, 3330, 3345, 3700, 3885, 4014, 4460, 4662, 4683, 5180, 5550, 5575, 6244, 6300, 6475, 6660, 6690, 7770, 7805, 8028, 8251, 8325, 9324, 9366, 10035, 11100, 11150, 11655, 12950, 13380, 14049, 15540, 15610, 16502, 16650, 16725, 18732, 19425, 20070, 22300, 23310, 23415, 24753, 25900, 28098, 31220, 33004, 33300, 33450, 38850, 39025, 40140, 41255, 46620, 46830, 49506, 50175, 56196, 57757, 58275, 66900, 70245, 74259, 77700, 78050, 82510, 93660, 99012, 100350, 115514, 116550, 117075, 123765, 140490, 148518, 156100, 165020, 173271, 200700, 206275, 231028, 233100, 234150, 247530, 280980, 288785, 297036, 346542, 351225, 371295, 412550, 468300, 495060, 519813, 577570, 618825, 693084, 702450, 742590, 825100, 866355, 1039626, 1155140, 1237650, 1404900, 1443925, 1485180, 1732710, 1856475, 2079252, 2475300, 2599065, 2887850, 3465420, 3712950, 4331775, 5198130, 5775700, 7425900, 8663550, 10396260, 12995325, 17327100, 25990650, 51981300]

約数ペア:

[(1, 51981300), (2, 25990650), (3, 17327100), (4, 12995325), (5, 10396260), (6, 8663550), (7, 7425900), (9, 5775700), (10, 5198130), (12, 4331775), (14, 3712950), (15, 3465420), (18, 2887850), (20, 2599065), (21, 2475300), (25, 2079252), (28, 1856475), (30, 1732710), (35, 1485180), (36, 1443925), (37, 1404900), (42, 1237650), (45, 1155140), (50, 1039626), (60, 866355), (63, 825100), (70, 742590), (74, 702450), (75, 693084), (84, 618825), (90, 577570), (100, 519813), (105, 495060), (111, 468300), (126, 412550), (140, 371295), (148, 351225), (150, 346542), (175, 297036), (180, 288785), (185, 280980), (210, 247530), (222, 234150), (223, 233100), (225, 231028), (252, 206275), (259, 200700), (300, 173271), (315, 165020), (333, 156100), (350, 148518), (370, 140490), (420, 123765), (444, 117075), (446, 116550), (450, 115514), (518, 100350), (525, 99012), (555, 93660), (630, 82510), (666, 78050), (669, 77700), (700, 74259), (740, 70245), (777, 66900), (892, 58275), (900, 57757), (925, 56196), (1036, 50175), (1050, 49506), (1110, 46830), (1115, 46620), (1260, 41255), (1295, 40140), (1332, 39025), (1338, 38850), (1554, 33450), (1561, 33300), (1575, 33004), (1665, 31220), (1850, 28098), (2007, 25900), (2100, 24753), (2220, 23415), (2230, 23310), (2331, 22300), (2590, 20070), (2676, 19425), (2775, 18732), (3108, 16725), (3122, 16650), (3150, 16502), (3330, 15610), (3345, 15540), (3700, 14049), (3885, 13380), (4014, 12950), (4460, 11655), (4662, 11150), (4683, 11100), (5180, 10035), (5550, 9366), (5575, 9324), (6244, 8325), (6300, 8251), (6475, 8028), (6660, 7805), (6690, 7770)]