261946008

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:886

約数の個数: 128

約数和(自身を含む): 776160000

約数和(自身を除く): 514213992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 83, 108, 114, 152, 166, 171, 216, 228, 249, 332, 342, 456, 498, 513, 664, 684, 747, 769, 996, 1026, 1368, 1494, 1538, 1577, 1992, 2052, 2241, 2307, 2988, 3076, 3154, 4104, 4482, 4614, 4731, 5976, 6152, 6308, 6921, 8964, 9228, 9462, 12616, 13842, 14193, 14611, 17928, 18456, 18924, 20763, 27684, 28386, 29222, 37848, 41526, 42579, 43833, 55368, 56772, 58444, 63827, 83052, 85158, 87666, 113544, 116888, 127654, 131499, 166104, 170316, 175332, 191481, 255308, 262998, 340632, 350664, 382962, 394497, 510616, 525996, 574443, 765924, 788994, 1051992, 1148886, 1212713, 1531848, 1577988, 1723329, 2297772, 2425426, 3155976, 3446658, 3638139, 4595544, 4850852, 6893316, 7276278, 9701704, 10914417, 13786632, 14552556, 21828834, 29105112, 32743251, 43657668, 65486502, 87315336, 130973004, 261946008]

約数ペア:

[(1, 261946008), (2, 130973004), (3, 87315336), (4, 65486502), (6, 43657668), (8, 32743251), (9, 29105112), (12, 21828834), (18, 14552556), (19, 13786632), (24, 10914417), (27, 9701704), (36, 7276278), (38, 6893316), (54, 4850852), (57, 4595544), (72, 3638139), (76, 3446658), (83, 3155976), (108, 2425426), (114, 2297772), (152, 1723329), (166, 1577988), (171, 1531848), (216, 1212713), (228, 1148886), (249, 1051992), (332, 788994), (342, 765924), (456, 574443), (498, 525996), (513, 510616), (664, 394497), (684, 382962), (747, 350664), (769, 340632), (996, 262998), (1026, 255308), (1368, 191481), (1494, 175332), (1538, 170316), (1577, 166104), (1992, 131499), (2052, 127654), (2241, 116888), (2307, 113544), (2988, 87666), (3076, 85158), (3154, 83052), (4104, 63827), (4482, 58444), (4614, 56772), (4731, 55368), (5976, 43833), (6152, 42579), (6308, 41526), (6921, 37848), (8964, 29222), (9228, 28386), (9462, 27684), (12616, 20763), (13842, 18924), (14193, 18456), (14611, 17928)]