28438830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 89026560

約数和(自身を除く): 60587730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 54, 63, 70, 82, 90, 105, 123, 126, 135, 189, 205, 210, 246, 270, 287, 315, 367, 369, 378, 410, 574, 615, 630, 734, 738, 861, 945, 1101, 1107, 1230, 1435, 1722, 1835, 1845, 1890, 2202, 2214, 2569, 2583, 2870, 3303, 3670, 3690, 4305, 5138, 5166, 5505, 5535, 6606, 7707, 7749, 8610, 9909, 11010, 11070, 12845, 12915, 15047, 15414, 15498, 16515, 19818, 23121, 25690, 25830, 30094, 33030, 38535, 38745, 45141, 46242, 49545, 69363, 75235, 77070, 77490, 90282, 99090, 105329, 115605, 135423, 138726, 150470, 210658, 225705, 231210, 270846, 315987, 346815, 406269, 451410, 526645, 631974, 677115, 693630, 812538, 947961, 1053290, 1354230, 1579935, 1895922, 2031345, 2843883, 3159870, 4062690, 4739805, 5687766, 9479610, 14219415, 28438830]

約数ペア:

[(1, 28438830), (2, 14219415), (3, 9479610), (5, 5687766), (6, 4739805), (7, 4062690), (9, 3159870), (10, 2843883), (14, 2031345), (15, 1895922), (18, 1579935), (21, 1354230), (27, 1053290), (30, 947961), (35, 812538), (41, 693630), (42, 677115), (45, 631974), (54, 526645), (63, 451410), (70, 406269), (82, 346815), (90, 315987), (105, 270846), (123, 231210), (126, 225705), (135, 210658), (189, 150470), (205, 138726), (210, 135423), (246, 115605), (270, 105329), (287, 99090), (315, 90282), (367, 77490), (369, 77070), (378, 75235), (410, 69363), (574, 49545), (615, 46242), (630, 45141), (734, 38745), (738, 38535), (861, 33030), (945, 30094), (1101, 25830), (1107, 25690), (1230, 23121), (1435, 19818), (1722, 16515), (1835, 15498), (1845, 15414), (1890, 15047), (2202, 12915), (2214, 12845), (2569, 11070), (2583, 11010), (2870, 9909), (3303, 8610), (3670, 7749), (3690, 7707), (4305, 6606), (5138, 5535), (5166, 5505)]