18031080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 40029720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 139, 141, 184, 188, 230, 235, 276, 278, 282, 345, 376, 417, 460, 470, 552, 556, 564, 690, 695, 705, 834, 920, 940, 1081, 1112, 1128, 1380, 1390, 1410, 1668, 1880, 2085, 2162, 2760, 2780, 2820, 3197, 3243, 3336, 4170, 4324, 5405, 5560, 5640, 6394, 6486, 6533, 8340, 8648, 9591, 10810, 12788, 12972, 13066, 15985, 16215, 16680, 19182, 19599, 21620, 25576, 25944, 26132, 31970, 32430, 32665, 38364, 39198, 43240, 47955, 52264, 63940, 64860, 65330, 76728, 78396, 95910, 97995, 127880, 129720, 130660, 150259, 156792, 191820, 195990, 261320, 300518, 383640, 391980, 450777, 601036, 751295, 783960, 901554, 1202072, 1502590, 1803108, 2253885, 3005180, 3606216, 4507770, 6010360, 9015540, 18031080]

約数ペア:

[(1, 18031080), (2, 9015540), (3, 6010360), (4, 4507770), (5, 3606216), (6, 3005180), (8, 2253885), (10, 1803108), (12, 1502590), (15, 1202072), (20, 901554), (23, 783960), (24, 751295), (30, 601036), (40, 450777), (46, 391980), (47, 383640), (60, 300518), (69, 261320), (92, 195990), (94, 191820), (115, 156792), (120, 150259), (138, 130660), (139, 129720), (141, 127880), (184, 97995), (188, 95910), (230, 78396), (235, 76728), (276, 65330), (278, 64860), (282, 63940), (345, 52264), (376, 47955), (417, 43240), (460, 39198), (470, 38364), (552, 32665), (556, 32430), (564, 31970), (690, 26132), (695, 25944), (705, 25576), (834, 21620), (920, 19599), (940, 19182), (1081, 16680), (1112, 16215), (1128, 15985), (1380, 13066), (1390, 12972), (1410, 12788), (1668, 10810), (1880, 9591), (2085, 8648), (2162, 8340), (2760, 6533), (2780, 6486), (2820, 6394), (3197, 5640), (3243, 5560), (3336, 5405), (4170, 4324)]