18264078320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{701}}^1$

素因数の和:1075

約数の個数: 160

約数和(自身を含む): 45658416960

約数和(自身を除く): 27394338640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 281, 304, 305, 380, 488, 562, 610, 701, 760, 976, 1124, 1159, 1220, 1402, 1405, 1520, 2248, 2318, 2440, 2804, 2810, 3505, 4496, 4636, 4880, 5339, 5608, 5620, 5795, 7010, 9272, 10678, 11216, 11240, 11590, 13319, 14020, 17141, 18544, 21356, 22480, 23180, 26638, 26695, 28040, 34282, 42712, 42761, 46360, 53276, 53390, 56080, 66595, 68564, 85424, 85522, 85705, 92720, 106552, 106780, 133190, 137128, 171044, 171410, 196981, 213104, 213560, 213805, 266380, 274256, 325679, 342088, 342820, 393962, 427120, 427610, 532760, 651358, 684176, 685640, 787924, 812459, 855220, 984905, 1065520, 1302716, 1371280, 1575848, 1624918, 1628395, 1710440, 1969810, 2605432, 3151696, 3249836, 3256790, 3420880, 3742639, 3939620, 4062295, 5210864, 6499672, 6513580, 7485278, 7879240, 8124590, 12015841, 12999344, 13027160, 14970556, 15758480, 16249180, 18713195, 24031682, 26054320, 29941112, 32498360, 37426390, 48063364, 59882224, 60079205, 64996720, 74852780, 96126728, 120158410, 149705560, 192253456, 228300979, 240316820, 299411120, 456601958, 480633640, 913203916, 961267280, 1141504895, 1826407832, 2283009790, 3652815664, 4566019580, 9132039160, 18264078320]

約数ペア:

[(1, 18264078320), (2, 9132039160), (4, 4566019580), (5, 3652815664), (8, 2283009790), (10, 1826407832), (16, 1141504895), (19, 961267280), (20, 913203916), (38, 480633640), (40, 456601958), (61, 299411120), (76, 240316820), (80, 228300979), (95, 192253456), (122, 149705560), (152, 120158410), (190, 96126728), (244, 74852780), (281, 64996720), (304, 60079205), (305, 59882224), (380, 48063364), (488, 37426390), (562, 32498360), (610, 29941112), (701, 26054320), (760, 24031682), (976, 18713195), (1124, 16249180), (1159, 15758480), (1220, 14970556), (1402, 13027160), (1405, 12999344), (1520, 12015841), (2248, 8124590), (2318, 7879240), (2440, 7485278), (2804, 6513580), (2810, 6499672), (3505, 5210864), (4496, 4062295), (4636, 3939620), (4880, 3742639), (5339, 3420880), (5608, 3256790), (5620, 3249836), (5795, 3151696), (7010, 2605432), (9272, 1969810), (10678, 1710440), (11216, 1628395), (11240, 1624918), (11590, 1575848), (13319, 1371280), (14020, 1302716), (17141, 1065520), (18544, 984905), (21356, 855220), (22480, 812459), (23180, 787924), (26638, 685640), (26695, 684176), (28040, 651358), (34282, 532760), (42712, 427610), (42761, 427120), (46360, 393962), (53276, 342820), (53390, 342088), (56080, 325679), (66595, 274256), (68564, 266380), (85424, 213805), (85522, 213560), (85705, 213104), (92720, 196981), (106552, 171410), (106780, 171044), (133190, 137128)]