78012720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{4013}}^1$

素因数の和:4041

約数の個数: 120

約数和(自身を含む): 271763856

約数和(自身を除く): 193751136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4013, 4860, 6480, 8026, 9720, 12039, 16052, 19440, 20065, 24078, 32104, 36117, 40130, 48156, 60195, 64208, 72234, 80260, 96312, 108351, 120390, 144468, 160520, 180585, 192624, 216702, 240780, 288936, 321040, 325053, 361170, 433404, 481560, 541755, 577872, 650106, 722340, 866808, 963120, 975159, 1083510, 1300212, 1444680, 1625265, 1733616, 1950318, 2167020, 2600424, 2889360, 3250530, 3900636, 4334040, 4875795, 5200848, 6501060, 7801272, 8668080, 9751590, 13002120, 15602544, 19503180, 26004240, 39006360, 78012720]

約数ペア:

[(1, 78012720), (2, 39006360), (3, 26004240), (4, 19503180), (5, 15602544), (6, 13002120), (8, 9751590), (9, 8668080), (10, 7801272), (12, 6501060), (15, 5200848), (16, 4875795), (18, 4334040), (20, 3900636), (24, 3250530), (27, 2889360), (30, 2600424), (36, 2167020), (40, 1950318), (45, 1733616), (48, 1625265), (54, 1444680), (60, 1300212), (72, 1083510), (80, 975159), (81, 963120), (90, 866808), (108, 722340), (120, 650106), (135, 577872), (144, 541755), (162, 481560), (180, 433404), (216, 361170), (240, 325053), (243, 321040), (270, 288936), (324, 240780), (360, 216702), (405, 192624), (432, 180585), (486, 160520), (540, 144468), (648, 120390), (720, 108351), (810, 96312), (972, 80260), (1080, 72234), (1215, 64208), (1296, 60195), (1620, 48156), (1944, 40130), (2160, 36117), (2430, 32104), (3240, 24078), (3888, 20065), (4013, 19440), (4860, 16052), (6480, 12039), (8026, 9720)]