68108800

素因数分解:

$2^9\times 5^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:358

約数の個数: 120

約数和(自身を含む): 179241876

約数和(自身を除く): 111133076

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 313, 320, 340, 400, 425, 512, 544, 626, 640, 680, 800, 850, 1088, 1252, 1280, 1360, 1565, 1600, 1700, 2176, 2504, 2560, 2720, 3130, 3200, 3400, 4352, 5008, 5321, 5440, 6260, 6400, 6800, 7825, 8704, 10016, 10642, 10880, 12520, 12800, 13600, 15650, 20032, 21284, 21760, 25040, 26605, 27200, 31300, 40064, 42568, 43520, 50080, 53210, 54400, 62600, 80128, 85136, 100160, 106420, 108800, 125200, 133025, 160256, 170272, 200320, 212840, 217600, 250400, 266050, 340544, 400640, 425680, 500800, 532100, 681088, 801280, 851360, 1001600, 1064200, 1362176, 1702720, 2003200, 2128400, 2724352, 3405440, 4006400, 4256800, 6810880, 8513600, 13621760, 17027200, 34054400, 68108800]

約数ペア:

[(1, 68108800), (2, 34054400), (4, 17027200), (5, 13621760), (8, 8513600), (10, 6810880), (16, 4256800), (17, 4006400), (20, 3405440), (25, 2724352), (32, 2128400), (34, 2003200), (40, 1702720), (50, 1362176), (64, 1064200), (68, 1001600), (80, 851360), (85, 801280), (100, 681088), (128, 532100), (136, 500800), (160, 425680), (170, 400640), (200, 340544), (256, 266050), (272, 250400), (313, 217600), (320, 212840), (340, 200320), (400, 170272), (425, 160256), (512, 133025), (544, 125200), (626, 108800), (640, 106420), (680, 100160), (800, 85136), (850, 80128), (1088, 62600), (1252, 54400), (1280, 53210), (1360, 50080), (1565, 43520), (1600, 42568), (1700, 40064), (2176, 31300), (2504, 27200), (2560, 26605), (2720, 25040), (3130, 21760), (3200, 21284), (3400, 20032), (4352, 15650), (5008, 13600), (5321, 12800), (5440, 12520), (6260, 10880), (6400, 10642), (6800, 10016), (7825, 8704)]