1240320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 144

約数和(自身を含む): 4415040

約数和(自身を除く): 3174720

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, 544, 570, 608, 640, 646, 680, 760, 768, 816, 912, 960, 969, 1020, 1088, 1140, 1216, 1280, 1292, 1360, 1520, 1615, 1632, 1824, 1920, 1938, 2040, 2176, 2280, 2432, 2584, 2720, 3040, 3230, 3264, 3648, 3840, 3876, 4080, 4352, 4560, 4845, 4864, 5168, 5440, 6080, 6460, 6528, 7296, 7752, 8160, 9120, 9690, 10336, 10880, 12160, 12920, 13056, 14592, 15504, 16320, 18240, 19380, 20672, 21760, 24320, 25840, 31008, 32640, 36480, 38760, 41344, 51680, 62016, 65280, 72960, 77520, 82688, 103360, 124032, 155040, 206720, 248064, 310080, 413440, 620160, 1240320]

約数ペア:

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