723240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1$

素因数の和:72

約数の個数: 144

約数和(自身を含む): 2800980

約数和(自身を除く): 2077740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 49, 56, 60, 63, 70, 72, 82, 84, 90, 98, 105, 120, 123, 126, 140, 147, 164, 168, 180, 196, 205, 210, 245, 246, 252, 280, 287, 294, 315, 328, 360, 369, 392, 410, 420, 441, 490, 492, 504, 574, 588, 615, 630, 735, 738, 820, 840, 861, 882, 980, 984, 1148, 1176, 1230, 1260, 1435, 1470, 1476, 1640, 1722, 1764, 1845, 1960, 2009, 2205, 2296, 2460, 2520, 2583, 2870, 2940, 2952, 3444, 3528, 3690, 4018, 4305, 4410, 4920, 5166, 5740, 5880, 6027, 6888, 7380, 8036, 8610, 8820, 10045, 10332, 11480, 12054, 12915, 14760, 16072, 17220, 17640, 18081, 20090, 20664, 24108, 25830, 30135, 34440, 36162, 40180, 48216, 51660, 60270, 72324, 80360, 90405, 103320, 120540, 144648, 180810, 241080, 361620, 723240]

約数ペア:

[(1, 723240), (2, 361620), (3, 241080), (4, 180810), (5, 144648), (6, 120540), (7, 103320), (8, 90405), (9, 80360), (10, 72324), (12, 60270), (14, 51660), (15, 48216), (18, 40180), (20, 36162), (21, 34440), (24, 30135), (28, 25830), (30, 24108), (35, 20664), (36, 20090), (40, 18081), (41, 17640), (42, 17220), (45, 16072), (49, 14760), (56, 12915), (60, 12054), (63, 11480), (70, 10332), (72, 10045), (82, 8820), (84, 8610), (90, 8036), (98, 7380), (105, 6888), (120, 6027), (123, 5880), (126, 5740), (140, 5166), (147, 4920), (164, 4410), (168, 4305), (180, 4018), (196, 3690), (205, 3528), (210, 3444), (245, 2952), (246, 2940), (252, 2870), (280, 2583), (287, 2520), (294, 2460), (315, 2296), (328, 2205), (360, 2009), (369, 1960), (392, 1845), (410, 1764), (420, 1722), (441, 1640), (490, 1476), (492, 1470), (504, 1435), (574, 1260), (588, 1230), (615, 1176), (630, 1148), (735, 984), (738, 980), (820, 882), (840, 861)]