2480640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:62

約数の個数: 160

約数和(自身を含む): 8838720

約数和(自身を除く): 6358080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 128, 136, 152, 160, 170, 190, 192, 204, 228, 240, 255, 256, 272, 285, 304, 320, 323, 340, 380, 384, 408, 456, 480, 510, 512, 544, 570, 608, 640, 646, 680, 760, 768, 816, 912, 960, 969, 1020, 1088, 1140, 1216, 1280, 1292, 1360, 1520, 1536, 1615, 1632, 1824, 1920, 1938, 2040, 2176, 2280, 2432, 2560, 2584, 2720, 3040, 3230, 3264, 3648, 3840, 3876, 4080, 4352, 4560, 4845, 4864, 5168, 5440, 6080, 6460, 6528, 7296, 7680, 7752, 8160, 8704, 9120, 9690, 9728, 10336, 10880, 12160, 12920, 13056, 14592, 15504, 16320, 18240, 19380, 20672, 21760, 24320, 25840, 26112, 29184, 31008, 32640, 36480, 38760, 41344, 43520, 48640, 51680, 62016, 65280, 72960, 77520, 82688, 103360, 124032, 130560, 145920, 155040, 165376, 206720, 248064, 310080, 413440, 496128, 620160, 826880, 1240320, 2480640]

約数ペア:

[(1, 2480640), (2, 1240320), (3, 826880), (4, 620160), (5, 496128), (6, 413440), (8, 310080), (10, 248064), (12, 206720), (15, 165376), (16, 155040), (17, 145920), (19, 130560), (20, 124032), (24, 103360), (30, 82688), (32, 77520), (34, 72960), (38, 65280), (40, 62016), (48, 51680), (51, 48640), (57, 43520), (60, 41344), (64, 38760), (68, 36480), (76, 32640), (80, 31008), (85, 29184), (95, 26112), (96, 25840), (102, 24320), (114, 21760), (120, 20672), (128, 19380), (136, 18240), (152, 16320), (160, 15504), (170, 14592), (190, 13056), (192, 12920), (204, 12160), (228, 10880), (240, 10336), (255, 9728), (256, 9690), (272, 9120), (285, 8704), (304, 8160), (320, 7752), (323, 7680), (340, 7296), (380, 6528), (384, 6460), (408, 6080), (456, 5440), (480, 5168), (510, 4864), (512, 4845), (544, 4560), (570, 4352), (608, 4080), (640, 3876), (646, 3840), (680, 3648), (760, 3264), (768, 3230), (816, 3040), (912, 2720), (960, 2584), (969, 2560), (1020, 2432), (1088, 2280), (1140, 2176), (1216, 2040), (1280, 1938), (1292, 1920), (1360, 1824), (1520, 1632), (1536, 1615)]