40180980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 133297920

約数和(自身を除く): 93116940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 173, 196, 210, 237, 245, 294, 316, 346, 395, 420, 474, 490, 519, 553, 588, 692, 735, 790, 865, 948, 980, 1038, 1106, 1185, 1211, 1470, 1580, 1659, 1730, 2076, 2212, 2370, 2422, 2595, 2765, 2940, 3318, 3460, 3633, 3871, 4740, 4844, 5190, 5530, 6055, 6636, 7266, 7742, 8295, 8477, 10380, 11060, 11613, 12110, 13667, 14532, 15484, 16590, 16954, 18165, 19355, 23226, 24220, 25431, 27334, 33180, 33908, 36330, 38710, 41001, 42385, 46452, 50862, 54668, 58065, 68335, 72660, 77420, 82002, 84770, 95669, 101724, 116130, 127155, 136670, 164004, 169540, 191338, 205005, 232260, 254310, 273340, 287007, 382676, 410010, 478345, 508620, 574014, 669683, 820020, 956690, 1148028, 1339366, 1435035, 1913380, 2009049, 2678732, 2870070, 3348415, 4018098, 5740140, 6696830, 8036196, 10045245, 13393660, 20090490, 40180980]

約数ペア:

[(1, 40180980), (2, 20090490), (3, 13393660), (4, 10045245), (5, 8036196), (6, 6696830), (7, 5740140), (10, 4018098), (12, 3348415), (14, 2870070), (15, 2678732), (20, 2009049), (21, 1913380), (28, 1435035), (30, 1339366), (35, 1148028), (42, 956690), (49, 820020), (60, 669683), (70, 574014), (79, 508620), (84, 478345), (98, 410010), (105, 382676), (140, 287007), (147, 273340), (158, 254310), (173, 232260), (196, 205005), (210, 191338), (237, 169540), (245, 164004), (294, 136670), (316, 127155), (346, 116130), (395, 101724), (420, 95669), (474, 84770), (490, 82002), (519, 77420), (553, 72660), (588, 68335), (692, 58065), (735, 54668), (790, 50862), (865, 46452), (948, 42385), (980, 41001), (1038, 38710), (1106, 36330), (1185, 33908), (1211, 33180), (1470, 27334), (1580, 25431), (1659, 24220), (1730, 23226), (2076, 19355), (2212, 18165), (2370, 16954), (2422, 16590), (2595, 15484), (2765, 14532), (2940, 13667), (3318, 12110), (3460, 11613), (3633, 11060), (3871, 10380), (4740, 8477), (4844, 8295), (5190, 7742), (5530, 7266), (6055, 6636)]