1221404256

素因数分解:

$2^5\times 3^2\times {\mathrm{149}}^1\times {\mathrm{28463}}^1$

素因数の和:28628

約数の個数: 72

約数和(自身を含む): 3496802400

約数和(自身を除く): 2275398144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 149, 288, 298, 447, 596, 894, 1192, 1341, 1788, 2384, 2682, 3576, 4768, 5364, 7152, 10728, 14304, 21456, 28463, 42912, 56926, 85389, 113852, 170778, 227704, 256167, 341556, 455408, 512334, 683112, 910816, 1024668, 1366224, 2049336, 2732448, 4098672, 4240987, 8197344, 8481974, 12722961, 16963948, 25445922, 33927896, 38168883, 50891844, 67855792, 76337766, 101783688, 135711584, 152675532, 203567376, 305351064, 407134752, 610702128, 1221404256]

約数ペア:

[(1, 1221404256), (2, 610702128), (3, 407134752), (4, 305351064), (6, 203567376), (8, 152675532), (9, 135711584), (12, 101783688), (16, 76337766), (18, 67855792), (24, 50891844), (32, 38168883), (36, 33927896), (48, 25445922), (72, 16963948), (96, 12722961), (144, 8481974), (149, 8197344), (288, 4240987), (298, 4098672), (447, 2732448), (596, 2049336), (894, 1366224), (1192, 1024668), (1341, 910816), (1788, 683112), (2384, 512334), (2682, 455408), (3576, 341556), (4768, 256167), (5364, 227704), (7152, 170778), (10728, 113852), (14304, 85389), (21456, 56926), (28463, 42912)]