31329480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 256

約数和(自身を含む): 122572800

約数和(自身を除く): 91243320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 151, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 302, 312, 364, 380, 390, 399, 420, 453, 455, 456, 494, 520, 532, 546, 570, 604, 665, 728, 741, 755, 760, 780, 798, 840, 906, 910, 988, 1057, 1064, 1092, 1140, 1208, 1235, 1330, 1365, 1482, 1510, 1560, 1596, 1729, 1812, 1820, 1963, 1976, 1995, 2114, 2184, 2265, 2280, 2470, 2660, 2730, 2869, 2964, 3020, 3171, 3192, 3458, 3624, 3640, 3705, 3926, 3990, 4228, 4530, 4940, 5187, 5285, 5320, 5460, 5738, 5889, 5928, 6040, 6342, 6916, 7410, 7852, 7980, 8456, 8607, 8645, 9060, 9815, 9880, 10374, 10570, 10920, 11476, 11778, 12684, 13741, 13832, 14345, 14820, 15704, 15855, 15960, 17214, 17290, 18120, 19630, 20083, 20748, 21140, 22952, 23556, 25368, 25935, 27482, 28690, 29445, 29640, 31710, 34428, 34580, 37297, 39260, 40166, 41223, 41496, 42280, 43035, 47112, 51870, 54964, 57380, 58890, 60249, 63420, 68705, 68856, 69160, 74594, 78520, 80332, 82446, 86070, 100415, 103740, 109928, 111891, 114760, 117780, 120498, 126840, 137410, 149188, 160664, 164892, 172140, 186485, 200830, 206115, 207480, 223782, 235560, 240996, 261079, 274820, 298376, 301245, 329784, 344280, 372970, 401660, 412230, 447564, 481992, 522158, 549640, 559455, 602490, 745940, 783237, 803320, 824460, 895128, 1044316, 1118910, 1204980, 1305395, 1491880, 1566474, 1648920, 2088632, 2237820, 2409960, 2610790, 3132948, 3916185, 4475640, 5221580, 6265896, 7832370, 10443160, 15664740, 31329480]

約数ペア:

[(1, 31329480), (2, 15664740), (3, 10443160), (4, 7832370), (5, 6265896), (6, 5221580), (7, 4475640), (8, 3916185), (10, 3132948), (12, 2610790), (13, 2409960), (14, 2237820), (15, 2088632), (19, 1648920), (20, 1566474), (21, 1491880), (24, 1305395), (26, 1204980), (28, 1118910), (30, 1044316), (35, 895128), (38, 824460), (39, 803320), (40, 783237), (42, 745940), (52, 602490), (56, 559455), (57, 549640), (60, 522158), (65, 481992), (70, 447564), (76, 412230), (78, 401660), (84, 372970), (91, 344280), (95, 329784), (104, 301245), (105, 298376), (114, 274820), (120, 261079), (130, 240996), (133, 235560), (140, 223782), (151, 207480), (152, 206115), (156, 200830), (168, 186485), (182, 172140), (190, 164892), (195, 160664), (210, 149188), (228, 137410), (247, 126840), (260, 120498), (266, 117780), (273, 114760), (280, 111891), (285, 109928), (302, 103740), (312, 100415), (364, 86070), (380, 82446), (390, 80332), (399, 78520), (420, 74594), (453, 69160), (455, 68856), (456, 68705), (494, 63420), (520, 60249), (532, 58890), (546, 57380), (570, 54964), (604, 51870), (665, 47112), (728, 43035), (741, 42280), (755, 41496), (760, 41223), (780, 40166), (798, 39260), (840, 37297), (906, 34580), (910, 34428), (988, 31710), (1057, 29640), (1064, 29445), (1092, 28690), (1140, 27482), (1208, 25935), (1235, 25368), (1330, 23556), (1365, 22952), (1482, 21140), (1510, 20748), (1560, 20083), (1596, 19630), (1729, 18120), (1812, 17290), (1820, 17214), (1963, 15960), (1976, 15855), (1995, 15704), (2114, 14820), (2184, 14345), (2265, 13832), (2280, 13741), (2470, 12684), (2660, 11778), (2730, 11476), (2869, 10920), (2964, 10570), (3020, 10374), (3171, 9880), (3192, 9815), (3458, 9060), (3624, 8645), (3640, 8607), (3705, 8456), (3926, 7980), (3990, 7852), (4228, 7410), (4530, 6916), (4940, 6342), (5187, 6040), (5285, 5928), (5320, 5889), (5460, 5738)]