128819200

素因数分解:

$2^{13}\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 168

約数和(自身を含む): 347385132

約数和(自身を除く): 218565932

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 37, 40, 50, 64, 68, 74, 80, 85, 100, 128, 136, 148, 160, 170, 185, 200, 256, 272, 296, 320, 340, 370, 400, 425, 512, 544, 592, 629, 640, 680, 740, 800, 850, 925, 1024, 1088, 1184, 1258, 1280, 1360, 1480, 1600, 1700, 1850, 2048, 2176, 2368, 2516, 2560, 2720, 2960, 3145, 3200, 3400, 3700, 4096, 4352, 4736, 5032, 5120, 5440, 5920, 6290, 6400, 6800, 7400, 8192, 8704, 9472, 10064, 10240, 10880, 11840, 12580, 12800, 13600, 14800, 15725, 17408, 18944, 20128, 20480, 21760, 23680, 25160, 25600, 27200, 29600, 31450, 34816, 37888, 40256, 40960, 43520, 47360, 50320, 51200, 54400, 59200, 62900, 69632, 75776, 80512, 87040, 94720, 100640, 102400, 108800, 118400, 125800, 139264, 151552, 161024, 174080, 189440, 201280, 204800, 217600, 236800, 251600, 303104, 322048, 348160, 378880, 402560, 435200, 473600, 503200, 644096, 696320, 757760, 805120, 870400, 947200, 1006400, 1288192, 1515520, 1610240, 1740800, 1894400, 2012800, 2576384, 3220480, 3481600, 3788800, 4025600, 5152768, 6440960, 7577600, 8051200, 12881920, 16102400, 25763840, 32204800, 64409600, 128819200]

約数ペア:

[(1, 128819200), (2, 64409600), (4, 32204800), (5, 25763840), (8, 16102400), (10, 12881920), (16, 8051200), (17, 7577600), (20, 6440960), (25, 5152768), (32, 4025600), (34, 3788800), (37, 3481600), (40, 3220480), (50, 2576384), (64, 2012800), (68, 1894400), (74, 1740800), (80, 1610240), (85, 1515520), (100, 1288192), (128, 1006400), (136, 947200), (148, 870400), (160, 805120), (170, 757760), (185, 696320), (200, 644096), (256, 503200), (272, 473600), (296, 435200), (320, 402560), (340, 378880), (370, 348160), (400, 322048), (425, 303104), (512, 251600), (544, 236800), (592, 217600), (629, 204800), (640, 201280), (680, 189440), (740, 174080), (800, 161024), (850, 151552), (925, 139264), (1024, 125800), (1088, 118400), (1184, 108800), (1258, 102400), (1280, 100640), (1360, 94720), (1480, 87040), (1600, 80512), (1700, 75776), (1850, 69632), (2048, 62900), (2176, 59200), (2368, 54400), (2516, 51200), (2560, 50320), (2720, 47360), (2960, 43520), (3145, 40960), (3200, 40256), (3400, 37888), (3700, 34816), (4096, 31450), (4352, 29600), (4736, 27200), (5032, 25600), (5120, 25160), (5440, 23680), (5920, 21760), (6290, 20480), (6400, 20128), (6800, 18944), (7400, 17408), (8192, 15725), (8704, 14800), (9472, 13600), (10064, 12800), (10240, 12580), (10880, 11840)]