247084740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10321}}^1$

素因数の和:10362

約数の個数: 144

約数和(自身を含む): 901729920

約数和(自身を除く): 654645180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 10321, 11970, 20642, 23940, 30963, 41284, 51605, 61926, 72247, 92889, 103210, 123852, 144494, 154815, 185778, 196099, 206420, 216741, 288988, 309630, 361235, 371556, 392198, 433482, 464445, 588297, 619260, 650223, 722470, 784396, 866964, 928890, 980495, 1083705, 1176594, 1300446, 1372693, 1444940, 1764891, 1857780, 1960990, 2167410, 2353188, 2600892, 2745386, 2941485, 3251115, 3529782, 3921980, 4118079, 4334820, 5490772, 5882970, 6502230, 6863465, 7059564, 8236158, 8824455, 11765940, 12354237, 13004460, 13726930, 16472316, 17648910, 20590395, 24708474, 27453860, 35297820, 41180790, 49416948, 61771185, 82361580, 123542370, 247084740]

約数ペア:

[(1, 247084740), (2, 123542370), (3, 82361580), (4, 61771185), (5, 49416948), (6, 41180790), (7, 35297820), (9, 27453860), (10, 24708474), (12, 20590395), (14, 17648910), (15, 16472316), (18, 13726930), (19, 13004460), (20, 12354237), (21, 11765940), (28, 8824455), (30, 8236158), (35, 7059564), (36, 6863465), (38, 6502230), (42, 5882970), (45, 5490772), (57, 4334820), (60, 4118079), (63, 3921980), (70, 3529782), (76, 3251115), (84, 2941485), (90, 2745386), (95, 2600892), (105, 2353188), (114, 2167410), (126, 1960990), (133, 1857780), (140, 1764891), (171, 1444940), (180, 1372693), (190, 1300446), (210, 1176594), (228, 1083705), (252, 980495), (266, 928890), (285, 866964), (315, 784396), (342, 722470), (380, 650223), (399, 619260), (420, 588297), (532, 464445), (570, 433482), (630, 392198), (665, 371556), (684, 361235), (798, 309630), (855, 288988), (1140, 216741), (1197, 206420), (1260, 196099), (1330, 185778), (1596, 154815), (1710, 144494), (1995, 123852), (2394, 103210), (2660, 92889), (3420, 72247), (3990, 61926), (4788, 51605), (5985, 41284), (7980, 30963), (10321, 23940), (11970, 20642)]