18442620

素因数分解:

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

素因数の和:90

約数の個数: 288

約数和(自身を含む): 72394560

約数和(自身を除く): 53951940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 41, 42, 45, 49, 51, 54, 60, 63, 68, 70, 82, 84, 85, 90, 98, 102, 105, 108, 119, 123, 126, 135, 140, 147, 153, 164, 170, 180, 189, 196, 204, 205, 210, 238, 245, 246, 252, 255, 270, 287, 294, 306, 315, 340, 357, 369, 378, 410, 420, 441, 459, 476, 490, 492, 510, 540, 574, 588, 595, 612, 615, 630, 697, 714, 735, 738, 756, 765, 820, 833, 861, 882, 918, 945, 980, 1020, 1071, 1107, 1148, 1190, 1230, 1260, 1323, 1394, 1428, 1435, 1470, 1476, 1530, 1666, 1722, 1764, 1785, 1836, 1845, 1890, 2009, 2091, 2142, 2205, 2214, 2295, 2380, 2460, 2499, 2583, 2646, 2788, 2870, 2940, 3060, 3213, 3332, 3444, 3485, 3570, 3690, 3780, 4018, 4165, 4182, 4284, 4305, 4410, 4428, 4590, 4879, 4998, 5166, 5292, 5355, 5535, 5740, 6027, 6273, 6426, 6615, 6970, 7140, 7380, 7497, 7749, 8036, 8330, 8364, 8610, 8820, 9180, 9758, 9996, 10045, 10332, 10455, 10710, 11070, 12054, 12495, 12546, 12852, 12915, 13230, 13940, 14637, 14994, 15498, 16065, 16660, 17220, 18081, 18819, 19516, 20090, 20910, 21420, 22140, 22491, 24108, 24395, 24990, 25092, 25830, 26460, 29274, 29988, 30135, 30996, 31365, 32130, 34153, 36162, 37485, 37638, 38745, 40180, 41820, 43911, 44982, 48790, 49980, 51660, 54243, 58548, 60270, 62730, 64260, 68306, 72324, 73185, 74970, 75276, 77490, 87822, 89964, 90405, 94095, 97580, 102459, 108486, 112455, 120540, 125460, 131733, 136612, 146370, 149940, 154980, 170765, 175644, 180810, 188190, 204918, 216972, 219555, 224910, 263466, 271215, 292740, 307377, 341530, 361620, 376380, 409836, 439110, 449820, 512295, 526932, 542430, 614754, 658665, 683060, 878220, 922131, 1024590, 1084860, 1229508, 1317330, 1536885, 1844262, 2049180, 2634660, 3073770, 3688524, 4610655, 6147540, 9221310, 18442620]

約数ペア:

[(1, 18442620), (2, 9221310), (3, 6147540), (4, 4610655), (5, 3688524), (6, 3073770), (7, 2634660), (9, 2049180), (10, 1844262), (12, 1536885), (14, 1317330), (15, 1229508), (17, 1084860), (18, 1024590), (20, 922131), (21, 878220), (27, 683060), (28, 658665), (30, 614754), (34, 542430), (35, 526932), (36, 512295), (41, 449820), (42, 439110), (45, 409836), (49, 376380), (51, 361620), (54, 341530), (60, 307377), (63, 292740), (68, 271215), (70, 263466), (82, 224910), (84, 219555), (85, 216972), (90, 204918), (98, 188190), (102, 180810), (105, 175644), (108, 170765), (119, 154980), (123, 149940), (126, 146370), (135, 136612), (140, 131733), (147, 125460), (153, 120540), (164, 112455), (170, 108486), (180, 102459), (189, 97580), (196, 94095), (204, 90405), (205, 89964), (210, 87822), (238, 77490), (245, 75276), (246, 74970), (252, 73185), (255, 72324), (270, 68306), (287, 64260), (294, 62730), (306, 60270), (315, 58548), (340, 54243), (357, 51660), (369, 49980), (378, 48790), (410, 44982), (420, 43911), (441, 41820), (459, 40180), (476, 38745), (490, 37638), (492, 37485), (510, 36162), (540, 34153), (574, 32130), (588, 31365), (595, 30996), (612, 30135), (615, 29988), (630, 29274), (697, 26460), (714, 25830), (735, 25092), (738, 24990), (756, 24395), (765, 24108), (820, 22491), (833, 22140), (861, 21420), (882, 20910), (918, 20090), (945, 19516), (980, 18819), (1020, 18081), (1071, 17220), (1107, 16660), (1148, 16065), (1190, 15498), (1230, 14994), (1260, 14637), (1323, 13940), (1394, 13230), (1428, 12915), (1435, 12852), (1470, 12546), (1476, 12495), (1530, 12054), (1666, 11070), (1722, 10710), (1764, 10455), (1785, 10332), (1836, 10045), (1845, 9996), (1890, 9758), (2009, 9180), (2091, 8820), (2142, 8610), (2205, 8364), (2214, 8330), (2295, 8036), (2380, 7749), (2460, 7497), (2499, 7380), (2583, 7140), (2646, 6970), (2788, 6615), (2870, 6426), (2940, 6273), (3060, 6027), (3213, 5740), (3332, 5535), (3444, 5355), (3485, 5292), (3570, 5166), (3690, 4998), (3780, 4879), (4018, 4590), (4165, 4428), (4182, 4410), (4284, 4305)]