242931640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 650073600

約数和(自身を除く): 407141960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 131, 140, 148, 179, 185, 259, 262, 280, 296, 358, 370, 518, 524, 655, 716, 740, 895, 917, 1036, 1048, 1253, 1295, 1310, 1432, 1480, 1790, 1834, 2072, 2506, 2590, 2620, 3580, 3668, 4585, 4847, 5012, 5180, 5240, 6265, 6623, 7160, 7336, 9170, 9694, 10024, 10360, 12530, 13246, 18340, 19388, 23449, 24235, 25060, 26492, 33115, 33929, 36680, 38776, 46361, 46898, 48470, 50120, 52984, 66230, 67858, 92722, 93796, 96940, 117245, 132460, 135716, 164143, 169645, 185444, 187592, 193880, 231805, 234490, 264920, 271432, 328286, 339290, 370888, 463610, 468980, 656572, 678580, 820715, 867613, 927220, 937960, 1313144, 1357160, 1641430, 1735226, 1854440, 3282860, 3470452, 4338065, 6073291, 6565720, 6940904, 8676130, 12146582, 17352260, 24293164, 30366455, 34704520, 48586328, 60732910, 121465820, 242931640]

約数ペア:

[(1, 242931640), (2, 121465820), (4, 60732910), (5, 48586328), (7, 34704520), (8, 30366455), (10, 24293164), (14, 17352260), (20, 12146582), (28, 8676130), (35, 6940904), (37, 6565720), (40, 6073291), (56, 4338065), (70, 3470452), (74, 3282860), (131, 1854440), (140, 1735226), (148, 1641430), (179, 1357160), (185, 1313144), (259, 937960), (262, 927220), (280, 867613), (296, 820715), (358, 678580), (370, 656572), (518, 468980), (524, 463610), (655, 370888), (716, 339290), (740, 328286), (895, 271432), (917, 264920), (1036, 234490), (1048, 231805), (1253, 193880), (1295, 187592), (1310, 185444), (1432, 169645), (1480, 164143), (1790, 135716), (1834, 132460), (2072, 117245), (2506, 96940), (2590, 93796), (2620, 92722), (3580, 67858), (3668, 66230), (4585, 52984), (4847, 50120), (5012, 48470), (5180, 46898), (5240, 46361), (6265, 38776), (6623, 36680), (7160, 33929), (7336, 33115), (9170, 26492), (9694, 25060), (10024, 24235), (10360, 23449), (12530, 19388), (13246, 18340)]