2049180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 144

約数和(自身を含む): 7239456

約数和(自身を除く): 5190276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 41, 42, 49, 51, 60, 68, 70, 82, 84, 85, 98, 102, 105, 119, 123, 140, 147, 164, 170, 196, 204, 205, 210, 238, 245, 246, 255, 287, 294, 340, 357, 410, 420, 476, 490, 492, 510, 574, 588, 595, 615, 697, 714, 735, 820, 833, 861, 980, 1020, 1148, 1190, 1230, 1394, 1428, 1435, 1470, 1666, 1722, 1785, 2009, 2091, 2380, 2460, 2499, 2788, 2870, 2940, 3332, 3444, 3485, 3570, 4018, 4165, 4182, 4305, 4879, 4998, 5740, 6027, 6970, 7140, 8036, 8330, 8364, 8610, 9758, 9996, 10045, 10455, 12054, 12495, 13940, 14637, 16660, 17220, 19516, 20090, 20910, 24108, 24395, 24990, 29274, 30135, 34153, 40180, 41820, 48790, 49980, 58548, 60270, 68306, 73185, 97580, 102459, 120540, 136612, 146370, 170765, 204918, 292740, 341530, 409836, 512295, 683060, 1024590, 2049180]

約数ペア:

[(1, 2049180), (2, 1024590), (3, 683060), (4, 512295), (5, 409836), (6, 341530), (7, 292740), (10, 204918), (12, 170765), (14, 146370), (15, 136612), (17, 120540), (20, 102459), (21, 97580), (28, 73185), (30, 68306), (34, 60270), (35, 58548), (41, 49980), (42, 48790), (49, 41820), (51, 40180), (60, 34153), (68, 30135), (70, 29274), (82, 24990), (84, 24395), (85, 24108), (98, 20910), (102, 20090), (105, 19516), (119, 17220), (123, 16660), (140, 14637), (147, 13940), (164, 12495), (170, 12054), (196, 10455), (204, 10045), (205, 9996), (210, 9758), (238, 8610), (245, 8364), (246, 8330), (255, 8036), (287, 7140), (294, 6970), (340, 6027), (357, 5740), (410, 4998), (420, 4879), (476, 4305), (490, 4182), (492, 4165), (510, 4018), (574, 3570), (588, 3485), (595, 3444), (615, 3332), (697, 2940), (714, 2870), (735, 2788), (820, 2499), (833, 2460), (861, 2380), (980, 2091), (1020, 2009), (1148, 1785), (1190, 1722), (1230, 1666), (1394, 1470), (1428, 1435)]