1212199920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{45503}}^1$

素因数の和:45559

約数の個数: 120

約数和(自身を含む): 4181089536

約数和(自身を除く): 2968889616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 8880, 13320, 26640, 45503, 91006, 136509, 182012, 227515, 273018, 364024, 409527, 455030, 546036, 682545, 728048, 819054, 910060, 1092072, 1365090, 1638108, 1683611, 1820120, 2047635, 2184144, 2730180, 3276216, 3367222, 3640240, 4095270, 5050833, 5460360, 6552432, 6734444, 8190540, 8418055, 10101666, 10920720, 13468888, 15152499, 16381080, 16836110, 20203332, 25254165, 26937776, 30304998, 32762160, 33672220, 40406664, 50508330, 60609996, 67344440, 75762495, 80813328, 101016660, 121219992, 134688880, 151524990, 202033320, 242439984, 303049980, 404066640, 606099960, 1212199920]

約数ペア:

[(1, 1212199920), (2, 606099960), (3, 404066640), (4, 303049980), (5, 242439984), (6, 202033320), (8, 151524990), (9, 134688880), (10, 121219992), (12, 101016660), (15, 80813328), (16, 75762495), (18, 67344440), (20, 60609996), (24, 50508330), (30, 40406664), (36, 33672220), (37, 32762160), (40, 30304998), (45, 26937776), (48, 25254165), (60, 20203332), (72, 16836110), (74, 16381080), (80, 15152499), (90, 13468888), (111, 10920720), (120, 10101666), (144, 8418055), (148, 8190540), (180, 6734444), (185, 6552432), (222, 5460360), (240, 5050833), (296, 4095270), (333, 3640240), (360, 3367222), (370, 3276216), (444, 2730180), (555, 2184144), (592, 2047635), (666, 1820120), (720, 1683611), (740, 1638108), (888, 1365090), (1110, 1092072), (1332, 910060), (1480, 819054), (1665, 728048), (1776, 682545), (2220, 546036), (2664, 455030), (2960, 409527), (3330, 364024), (4440, 273018), (5328, 227515), (6660, 182012), (8880, 136509), (13320, 91006), (26640, 45503)]