64950867280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:1221

約数の個数: 160

約数和(自身を含む): 163864512000

約数和(自身を除く): 98913644720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 367, 379, 449, 520, 734, 758, 898, 1040, 1468, 1516, 1796, 1835, 1895, 2245, 2936, 3032, 3592, 3670, 3790, 4490, 4771, 4927, 5837, 5872, 6064, 7184, 7340, 7580, 8980, 9542, 9854, 11674, 14680, 15160, 17960, 19084, 19708, 23348, 23855, 24635, 29185, 29360, 30320, 35920, 38168, 39416, 46696, 47710, 49270, 58370, 76336, 78832, 93392, 95420, 98540, 116740, 139093, 164783, 170171, 190840, 197080, 233480, 278186, 329566, 340342, 381680, 394160, 466960, 556372, 659132, 680684, 695465, 823915, 850855, 1112744, 1318264, 1361368, 1390930, 1647830, 1701710, 1808209, 2142179, 2212223, 2225488, 2636528, 2722736, 2781860, 3295660, 3403420, 3616418, 4284358, 4424446, 5563720, 6591320, 6806840, 7232836, 8568716, 8848892, 9041045, 10710895, 11061115, 11127440, 13182640, 13613680, 14465672, 17137432, 17697784, 18082090, 21421790, 22122230, 28931344, 34274864, 35395568, 36164180, 42843580, 44244460, 62452757, 72328360, 85687160, 88488920, 124905514, 144656720, 171374320, 176977840, 249811028, 312263785, 499622056, 624527570, 811885841, 999244112, 1249055140, 1623771682, 2498110280, 3247543364, 4059429205, 4996220560, 6495086728, 8118858410, 12990173456, 16237716820, 32475433640, 64950867280]

約数ペア:

[(1, 64950867280), (2, 32475433640), (4, 16237716820), (5, 12990173456), (8, 8118858410), (10, 6495086728), (13, 4996220560), (16, 4059429205), (20, 3247543364), (26, 2498110280), (40, 1623771682), (52, 1249055140), (65, 999244112), (80, 811885841), (104, 624527570), (130, 499622056), (208, 312263785), (260, 249811028), (367, 176977840), (379, 171374320), (449, 144656720), (520, 124905514), (734, 88488920), (758, 85687160), (898, 72328360), (1040, 62452757), (1468, 44244460), (1516, 42843580), (1796, 36164180), (1835, 35395568), (1895, 34274864), (2245, 28931344), (2936, 22122230), (3032, 21421790), (3592, 18082090), (3670, 17697784), (3790, 17137432), (4490, 14465672), (4771, 13613680), (4927, 13182640), (5837, 11127440), (5872, 11061115), (6064, 10710895), (7184, 9041045), (7340, 8848892), (7580, 8568716), (8980, 7232836), (9542, 6806840), (9854, 6591320), (11674, 5563720), (14680, 4424446), (15160, 4284358), (17960, 3616418), (19084, 3403420), (19708, 3295660), (23348, 2781860), (23855, 2722736), (24635, 2636528), (29185, 2225488), (29360, 2212223), (30320, 2142179), (35920, 1808209), (38168, 1701710), (39416, 1647830), (46696, 1390930), (47710, 1361368), (49270, 1318264), (58370, 1112744), (76336, 850855), (78832, 823915), (93392, 695465), (95420, 680684), (98540, 659132), (116740, 556372), (139093, 466960), (164783, 394160), (170171, 381680), (190840, 340342), (197080, 329566), (233480, 278186)]