320553180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 1061760000

約数和(自身を除く): 741206820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 157, 171, 180, 190, 199, 228, 270, 285, 314, 342, 380, 398, 471, 513, 540, 570, 597, 628, 684, 785, 796, 855, 942, 995, 1026, 1140, 1194, 1413, 1570, 1710, 1791, 1884, 1990, 2052, 2355, 2388, 2565, 2826, 2983, 2985, 3140, 3420, 3582, 3781, 3980, 4239, 4710, 5130, 5373, 5652, 5966, 5970, 7065, 7164, 7562, 8478, 8949, 8955, 9420, 10260, 10746, 11343, 11932, 11940, 14130, 14915, 15124, 16956, 17898, 17910, 18905, 21195, 21492, 22686, 26847, 26865, 28260, 29830, 31243, 34029, 35796, 35820, 37810, 42390, 44745, 45372, 53694, 53730, 56715, 59660, 62486, 68058, 75620, 80541, 84780, 89490, 93729, 102087, 107388, 107460, 113430, 124972, 134235, 136116, 156215, 161082, 170145, 178980, 187458, 204174, 226860, 268470, 281187, 312430, 322164, 340290, 374916, 402705, 408348, 468645, 510435, 536940, 562374, 593617, 624860, 680580, 805410, 843561, 937290, 1020870, 1124748, 1187234, 1405935, 1610820, 1687122, 1780851, 1874580, 2041740, 2374468, 2811870, 2968085, 3374244, 3561702, 4217805, 5342553, 5623740, 5936170, 7123404, 8435610, 8904255, 10685106, 11872340, 16027659, 16871220, 17808510, 21370212, 26712765, 32055318, 35617020, 53425530, 64110636, 80138295, 106851060, 160276590, 320553180]

約数ペア:

[(1, 320553180), (2, 160276590), (3, 106851060), (4, 80138295), (5, 64110636), (6, 53425530), (9, 35617020), (10, 32055318), (12, 26712765), (15, 21370212), (18, 17808510), (19, 16871220), (20, 16027659), (27, 11872340), (30, 10685106), (36, 8904255), (38, 8435610), (45, 7123404), (54, 5936170), (57, 5623740), (60, 5342553), (76, 4217805), (90, 3561702), (95, 3374244), (108, 2968085), (114, 2811870), (135, 2374468), (157, 2041740), (171, 1874580), (180, 1780851), (190, 1687122), (199, 1610820), (228, 1405935), (270, 1187234), (285, 1124748), (314, 1020870), (342, 937290), (380, 843561), (398, 805410), (471, 680580), (513, 624860), (540, 593617), (570, 562374), (597, 536940), (628, 510435), (684, 468645), (785, 408348), (796, 402705), (855, 374916), (942, 340290), (995, 322164), (1026, 312430), (1140, 281187), (1194, 268470), (1413, 226860), (1570, 204174), (1710, 187458), (1791, 178980), (1884, 170145), (1990, 161082), (2052, 156215), (2355, 136116), (2388, 134235), (2565, 124972), (2826, 113430), (2983, 107460), (2985, 107388), (3140, 102087), (3420, 93729), (3582, 89490), (3781, 84780), (3980, 80541), (4239, 75620), (4710, 68058), (5130, 62486), (5373, 59660), (5652, 56715), (5966, 53730), (5970, 53694), (7065, 45372), (7164, 44745), (7562, 42390), (8478, 37810), (8949, 35820), (8955, 35796), (9420, 34029), (10260, 31243), (10746, 29830), (11343, 28260), (11932, 26865), (11940, 26847), (14130, 22686), (14915, 21492), (15124, 21195), (16956, 18905), (17898, 17910)]