428672640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20297}}^1$

素因数の和:20330

約数の個数: 128

約数和(自身を含む): 1490685120

約数和(自身を除く): 1062012480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 20297, 21120, 40594, 60891, 81188, 101485, 121782, 162376, 202970, 223267, 243564, 304455, 324752, 405940, 446534, 487128, 608910, 649504, 669801, 811880, 893068, 974256, 1116335, 1217820, 1299008, 1339602, 1623760, 1786136, 1948512, 2232670, 2435640, 2598016, 2679204, 3247520, 3349005, 3572272, 3897024, 4465340, 4871280, 5358408, 6495040, 6698010, 7144544, 7794048, 8930680, 9742560, 10716816, 12990080, 13396020, 14289088, 17861360, 19485120, 21433632, 26792040, 28578176, 35722720, 38970240, 42867264, 53584080, 71445440, 85734528, 107168160, 142890880, 214336320, 428672640]

約数ペア:

[(1, 428672640), (2, 214336320), (3, 142890880), (4, 107168160), (5, 85734528), (6, 71445440), (8, 53584080), (10, 42867264), (11, 38970240), (12, 35722720), (15, 28578176), (16, 26792040), (20, 21433632), (22, 19485120), (24, 17861360), (30, 14289088), (32, 13396020), (33, 12990080), (40, 10716816), (44, 9742560), (48, 8930680), (55, 7794048), (60, 7144544), (64, 6698010), (66, 6495040), (80, 5358408), (88, 4871280), (96, 4465340), (110, 3897024), (120, 3572272), (128, 3349005), (132, 3247520), (160, 2679204), (165, 2598016), (176, 2435640), (192, 2232670), (220, 1948512), (240, 1786136), (264, 1623760), (320, 1339602), (330, 1299008), (352, 1217820), (384, 1116335), (440, 974256), (480, 893068), (528, 811880), (640, 669801), (660, 649504), (704, 608910), (880, 487128), (960, 446534), (1056, 405940), (1320, 324752), (1408, 304455), (1760, 243564), (1920, 223267), (2112, 202970), (2640, 162376), (3520, 121782), (4224, 101485), (5280, 81188), (7040, 60891), (10560, 40594), (20297, 21120)]