28221480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{3733}}^1$

素因数の和:3760

約数の個数: 128

約数和(自身を含む): 107539200

約数和(自身を除く): 79317720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3733, 3780, 7466, 7560, 11199, 14932, 18665, 22398, 26131, 29864, 33597, 37330, 44796, 52262, 55995, 67194, 74660, 78393, 89592, 100791, 104524, 111990, 130655, 134388, 149320, 156786, 167985, 201582, 209048, 223980, 235179, 261310, 268776, 313572, 335970, 391965, 403164, 447960, 470358, 503955, 522620, 627144, 671940, 705537, 783930, 806328, 940716, 1007910, 1045240, 1175895, 1343880, 1411074, 1567860, 1881432, 2015820, 2351790, 2822148, 3135720, 3527685, 4031640, 4703580, 5644296, 7055370, 9407160, 14110740, 28221480]

約数ペア:

[(1, 28221480), (2, 14110740), (3, 9407160), (4, 7055370), (5, 5644296), (6, 4703580), (7, 4031640), (8, 3527685), (9, 3135720), (10, 2822148), (12, 2351790), (14, 2015820), (15, 1881432), (18, 1567860), (20, 1411074), (21, 1343880), (24, 1175895), (27, 1045240), (28, 1007910), (30, 940716), (35, 806328), (36, 783930), (40, 705537), (42, 671940), (45, 627144), (54, 522620), (56, 503955), (60, 470358), (63, 447960), (70, 403164), (72, 391965), (84, 335970), (90, 313572), (105, 268776), (108, 261310), (120, 235179), (126, 223980), (135, 209048), (140, 201582), (168, 167985), (180, 156786), (189, 149320), (210, 134388), (216, 130655), (252, 111990), (270, 104524), (280, 100791), (315, 89592), (360, 78393), (378, 74660), (420, 67194), (504, 55995), (540, 52262), (630, 44796), (756, 37330), (840, 33597), (945, 29864), (1080, 26131), (1260, 22398), (1512, 18665), (1890, 14932), (2520, 11199), (3733, 7560), (3780, 7466)]