18989446400

素因数分解:

$2^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:597

約数の個数: 216

約数和(自身を含む): 48274243584

約数和(自身を除く): 29284797184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 127, 128, 160, 200, 244, 254, 256, 305, 320, 383, 400, 488, 508, 610, 635, 640, 766, 800, 976, 1016, 1220, 1270, 1280, 1525, 1532, 1600, 1915, 1952, 2032, 2440, 2540, 3050, 3064, 3175, 3200, 3830, 3904, 4064, 4880, 5080, 6100, 6128, 6350, 6400, 7660, 7747, 7808, 8128, 9575, 9760, 10160, 12200, 12256, 12700, 15320, 15494, 15616, 16256, 19150, 19520, 20320, 23363, 24400, 24512, 25400, 30640, 30988, 32512, 38300, 38735, 39040, 40640, 46726, 48641, 48800, 49024, 50800, 61280, 61976, 76600, 77470, 78080, 81280, 93452, 97282, 97600, 98048, 101600, 116815, 122560, 123952, 153200, 154940, 162560, 186904, 193675, 194564, 195200, 203200, 233630, 243205, 245120, 247904, 306400, 309880, 373808, 387350, 389128, 390400, 406400, 467260, 486410, 490240, 495808, 584075, 612800, 619760, 747616, 774700, 778256, 812800, 934520, 972820, 991616, 1168150, 1216025, 1225600, 1239520, 1495232, 1549400, 1556512, 1869040, 1945640, 1983232, 2336300, 2432050, 2451200, 2479040, 2967101, 2990464, 3098800, 3113024, 3738080, 3891280, 4672600, 4864100, 4958080, 5934202, 5980928, 6197600, 6226048, 7476160, 7782560, 9345200, 9728200, 9916160, 11868404, 12395200, 12452096, 14835505, 14952320, 15565120, 18690400, 19456400, 23736808, 24790400, 29671010, 29904640, 31130240, 37380800, 38912800, 47473616, 49580800, 59342020, 62260480, 74177525, 74761600, 77825600, 94947232, 118684040, 148355050, 149523200, 155651200, 189894464, 237368080, 296710100, 311302400, 379788928, 474736160, 593420200, 759577856, 949472320, 1186840400, 1898944640, 2373680800, 3797889280, 4747361600, 9494723200, 18989446400]

約数ペア:

[(1, 18989446400), (2, 9494723200), (4, 4747361600), (5, 3797889280), (8, 2373680800), (10, 1898944640), (16, 1186840400), (20, 949472320), (25, 759577856), (32, 593420200), (40, 474736160), (50, 379788928), (61, 311302400), (64, 296710100), (80, 237368080), (100, 189894464), (122, 155651200), (127, 149523200), (128, 148355050), (160, 118684040), (200, 94947232), (244, 77825600), (254, 74761600), (256, 74177525), (305, 62260480), (320, 59342020), (383, 49580800), (400, 47473616), (488, 38912800), (508, 37380800), (610, 31130240), (635, 29904640), (640, 29671010), (766, 24790400), (800, 23736808), (976, 19456400), (1016, 18690400), (1220, 15565120), (1270, 14952320), (1280, 14835505), (1525, 12452096), (1532, 12395200), (1600, 11868404), (1915, 9916160), (1952, 9728200), (2032, 9345200), (2440, 7782560), (2540, 7476160), (3050, 6226048), (3064, 6197600), (3175, 5980928), (3200, 5934202), (3830, 4958080), (3904, 4864100), (4064, 4672600), (4880, 3891280), (5080, 3738080), (6100, 3113024), (6128, 3098800), (6350, 2990464), (6400, 2967101), (7660, 2479040), (7747, 2451200), (7808, 2432050), (8128, 2336300), (9575, 1983232), (9760, 1945640), (10160, 1869040), (12200, 1556512), (12256, 1549400), (12700, 1495232), (15320, 1239520), (15494, 1225600), (15616, 1216025), (16256, 1168150), (19150, 991616), (19520, 972820), (20320, 934520), (23363, 812800), (24400, 778256), (24512, 774700), (25400, 747616), (30640, 619760), (30988, 612800), (32512, 584075), (38300, 495808), (38735, 490240), (39040, 486410), (40640, 467260), (46726, 406400), (48641, 390400), (48800, 389128), (49024, 387350), (50800, 373808), (61280, 309880), (61976, 306400), (76600, 247904), (77470, 245120), (78080, 243205), (81280, 233630), (93452, 203200), (97282, 195200), (97600, 194564), (98048, 193675), (101600, 186904), (116815, 162560), (122560, 154940), (123952, 153200)]