78398560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 217183680

約数和(自身を除く): 138785120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 37, 38, 40, 41, 68, 74, 76, 80, 82, 85, 95, 136, 148, 152, 160, 164, 170, 185, 190, 205, 272, 296, 304, 323, 328, 340, 370, 380, 410, 544, 592, 608, 629, 646, 656, 680, 697, 703, 740, 760, 779, 820, 1184, 1258, 1292, 1312, 1360, 1394, 1406, 1480, 1517, 1520, 1558, 1615, 1640, 2516, 2584, 2720, 2788, 2812, 2960, 3034, 3040, 3116, 3145, 3230, 3280, 3485, 3515, 3895, 5032, 5168, 5576, 5624, 5920, 6068, 6232, 6290, 6460, 6560, 6970, 7030, 7585, 7790, 10064, 10336, 11152, 11248, 11951, 12136, 12464, 12580, 12920, 13243, 13940, 14060, 15170, 15580, 20128, 22304, 22496, 23902, 24272, 24928, 25160, 25789, 25840, 26486, 27880, 28120, 28823, 30340, 31160, 47804, 48544, 50320, 51578, 51680, 52972, 55760, 56240, 57646, 59755, 60680, 62320, 66215, 95608, 100640, 103156, 105944, 111520, 112480, 115292, 119510, 121360, 124640, 128945, 132430, 144115, 191216, 206312, 211888, 230584, 239020, 242720, 257890, 264860, 288230, 382432, 412624, 423776, 461168, 478040, 489991, 515780, 529720, 576460, 825248, 922336, 956080, 979982, 1031560, 1059440, 1152920, 1912160, 1959964, 2063120, 2118880, 2305840, 2449955, 3919928, 4126240, 4611680, 4899910, 7839856, 9799820, 15679712, 19599640, 39199280, 78398560]

約数ペア:

[(1, 78398560), (2, 39199280), (4, 19599640), (5, 15679712), (8, 9799820), (10, 7839856), (16, 4899910), (17, 4611680), (19, 4126240), (20, 3919928), (32, 2449955), (34, 2305840), (37, 2118880), (38, 2063120), (40, 1959964), (41, 1912160), (68, 1152920), (74, 1059440), (76, 1031560), (80, 979982), (82, 956080), (85, 922336), (95, 825248), (136, 576460), (148, 529720), (152, 515780), (160, 489991), (164, 478040), (170, 461168), (185, 423776), (190, 412624), (205, 382432), (272, 288230), (296, 264860), (304, 257890), (323, 242720), (328, 239020), (340, 230584), (370, 211888), (380, 206312), (410, 191216), (544, 144115), (592, 132430), (608, 128945), (629, 124640), (646, 121360), (656, 119510), (680, 115292), (697, 112480), (703, 111520), (740, 105944), (760, 103156), (779, 100640), (820, 95608), (1184, 66215), (1258, 62320), (1292, 60680), (1312, 59755), (1360, 57646), (1394, 56240), (1406, 55760), (1480, 52972), (1517, 51680), (1520, 51578), (1558, 50320), (1615, 48544), (1640, 47804), (2516, 31160), (2584, 30340), (2720, 28823), (2788, 28120), (2812, 27880), (2960, 26486), (3034, 25840), (3040, 25789), (3116, 25160), (3145, 24928), (3230, 24272), (3280, 23902), (3485, 22496), (3515, 22304), (3895, 20128), (5032, 15580), (5168, 15170), (5576, 14060), (5624, 13940), (5920, 13243), (6068, 12920), (6232, 12580), (6290, 12464), (6460, 12136), (6560, 11951), (6970, 11248), (7030, 11152), (7585, 10336), (7790, 10064)]